[1] Which type of system can learn and adjust to new circumstances by themselves?
A.
Database management system
B.
Expert systems
C.
Geographical systems
D.
Neural networks
Ans:
Neural networks
Explanation :
Neural networks can learn and adjust to new circumstances by themselves.
[2] In 2014, Apple decided to invent a programming language. What is the name of that programming language?
A.
Cyanogen
B.
Ruby
C.
Swift
D.
Oxygen
Ans:
Swift
Explanation :
Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc.
[3] Which among the following command is an example of a Data Manipulation Command in SQL?
A.
SELECT
B.
UPDATE
C.
CREATE
D.
Both (1) and (2)
Ans:
Both (1) and (2)
Explanation :
Both SELECT and UPDATE are DML commands of SQL. DML is abbreviation of Data Manipulation Language. It is used to retrieve, store, modify, delete, insert and update data in database.
[4] Which among the following is/are pointing device?
A.
Mouse
B.
Light Pen
C.
Joy Stick
D.
All of the above
Ans:
All of the above
Explanation :
All the given options are examples of pointing devices.
[5] Which of the following device used ‘set of beads’ to represent the unit of data?
A.
ENIAC
B.
EDVAC
C.
Abacus
D.
MARK-I
Ans:
Abacus
Explanation :
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool with a set of beads for counting.
[6] The first electro-mechanical computer MARK-1 was invented by _.
A.
Charles Pascal
B.
John W Mauchly
C.
Howard Aiken
D.
Clifford Berry
Ans:
Howard Aiken
Explanation :
MARK-1 invented was by Howard Aiken.
[7] What was the first electronic computer in the world?
A.
ENIAC
B.
EDSAC
C.
EDVAC
D.
UNIVAC
Ans:
ENIAC
Explanation :
ENIAC was the first electronic computer in the world.
[8] Communication channel is shared by all the machines on the network in:
A.
broadcast network
B.
unicast network
C.
multicast network
D.
Internet Protocol Address
Ans:
broadcast network
Explanation :
Broadcast networks: It has a single communication channel that is shared by all the machines on the network. Short messages, called packets in certain contexts, sent by any machine are received by all the others.
[9] Bluetooth is an example of:
A.
personal area network
B.
local area network
C.
virtual private network
D.
wide area network
Ans:
personal area network
Explanation :
A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants. Bluetooth is an example of the same.
[10] A list of protocols used by a system, one protocol per layer, is called:
A.
protocol architecture
B.
protocol stack
C.
protocol suit
D.
protocol application
Ans:
protocol stack
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite.
[11] In which of the following scenarios does Network congestion occur?
A.
in case of a node termination
B.
when a system terminates
C.
when connection between two nodes terminates
D.
in case of traffic overloading
Ans:
in case of traffic overloading
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
Neural networks can learn and adjust to new circumstances by themselves.
[2] In 2014, Apple decided to invent a programming language. What is the name of that programming language?
A.
Cyanogen
B.
Ruby
C.
Swift
D.
Oxygen
Ans:
Swift
Explanation :
Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc.
[3] Which among the following command is an example of a Data Manipulation Command in SQL?
A.
SELECT
B.
UPDATE
C.
CREATE
D.
Both (1) and (2)
Ans:
Both (1) and (2)
Explanation :
Both SELECT and UPDATE are DML commands of SQL. DML is abbreviation of Data Manipulation Language. It is used to retrieve, store, modify, delete, insert and update data in database.
[4] Which among the following is/are pointing device?
A.
Mouse
B.
Light Pen
C.
Joy Stick
D.
All of the above
Ans:
All of the above
Explanation :
All the given options are examples of pointing devices.
[5] Which of the following device used ‘set of beads’ to represent the unit of data?
A.
ENIAC
B.
EDVAC
C.
Abacus
D.
MARK-I
Ans:
Abacus
Explanation :
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool with a set of beads for counting.
[6] The first electro-mechanical computer MARK-1 was invented by _.
A.
Charles Pascal
B.
John W Mauchly
C.
Howard Aiken
D.
Clifford Berry
Ans:
Howard Aiken
Explanation :
MARK-1 invented was by Howard Aiken.
[7] What was the first electronic computer in the world?
A.
ENIAC
B.
EDSAC
C.
EDVAC
D.
UNIVAC
Ans:
ENIAC
Explanation :
ENIAC was the first electronic computer in the world.
[8] Communication channel is shared by all the machines on the network in:
A.
broadcast network
B.
unicast network
C.
multicast network
D.
Internet Protocol Address
Ans:
broadcast network
Explanation :
Broadcast networks: It has a single communication channel that is shared by all the machines on the network. Short messages, called packets in certain contexts, sent by any machine are received by all the others.
[9] Bluetooth is an example of:
A.
personal area network
B.
local area network
C.
virtual private network
D.
wide area network
Ans:
personal area network
Explanation :
A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants. Bluetooth is an example of the same.
[10] A list of protocols used by a system, one protocol per layer, is called:
A.
protocol architecture
B.
protocol stack
C.
protocol suit
D.
protocol application
Ans:
protocol stack
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite.
[11] In which of the following scenarios does Network congestion occur?
A.
in case of a node termination
B.
when a system terminates
C.
when connection between two nodes terminates
D.
in case of traffic overloading
Ans:
in case of traffic overloading
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
Both SELECT and UPDATE are DML commands of SQL. DML is abbreviation of Data Manipulation Language. It is used to retrieve, store, modify, delete, insert and update data in database.
[4] Which among the following is/are pointing device?
A.
Mouse
B.
Light Pen
C.
Joy Stick
D.
All of the above
Ans:
All of the above
Explanation :
All the given options are examples of pointing devices.
[5] Which of the following device used ‘set of beads’ to represent the unit of data?
A.
ENIAC
B.
EDVAC
C.
Abacus
D.
MARK-I
Ans:
Abacus
Explanation :
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool with a set of beads for counting.
[6] The first electro-mechanical computer MARK-1 was invented by _.
A.
Charles Pascal
B.
John W Mauchly
C.
Howard Aiken
D.
Clifford Berry
Ans:
Howard Aiken
Explanation :
MARK-1 invented was by Howard Aiken.
[7] What was the first electronic computer in the world?
A.
ENIAC
B.
EDSAC
C.
EDVAC
D.
UNIVAC
Ans:
ENIAC
Explanation :
ENIAC was the first electronic computer in the world.
[8] Communication channel is shared by all the machines on the network in:
A.
broadcast network
B.
unicast network
C.
multicast network
D.
Internet Protocol Address
Ans:
broadcast network
Explanation :
Broadcast networks: It has a single communication channel that is shared by all the machines on the network. Short messages, called packets in certain contexts, sent by any machine are received by all the others.
[9] Bluetooth is an example of:
A.
personal area network
B.
local area network
C.
virtual private network
D.
wide area network
Ans:
personal area network
Explanation :
A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants. Bluetooth is an example of the same.
[10] A list of protocols used by a system, one protocol per layer, is called:
A.
protocol architecture
B.
protocol stack
C.
protocol suit
D.
protocol application
Ans:
protocol stack
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite.
[11] In which of the following scenarios does Network congestion occur?
A.
in case of a node termination
B.
when a system terminates
C.
when connection between two nodes terminates
D.
in case of traffic overloading
Ans:
in case of traffic overloading
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool with a set of beads for counting.
[6] The first electro-mechanical computer MARK-1 was invented by _.
A.
Charles Pascal
B.
John W Mauchly
C.
Howard Aiken
D.
Clifford Berry
Ans:
Howard Aiken
Explanation :
MARK-1 invented was by Howard Aiken.
[7] What was the first electronic computer in the world?
A.
ENIAC
B.
EDSAC
C.
EDVAC
D.
UNIVAC
Ans:
ENIAC
Explanation :
ENIAC was the first electronic computer in the world.
[8] Communication channel is shared by all the machines on the network in:
A.
broadcast network
B.
unicast network
C.
multicast network
D.
Internet Protocol Address
Ans:
broadcast network
Explanation :
Broadcast networks: It has a single communication channel that is shared by all the machines on the network. Short messages, called packets in certain contexts, sent by any machine are received by all the others.
[9] Bluetooth is an example of:
A.
personal area network
B.
local area network
C.
virtual private network
D.
wide area network
Ans:
personal area network
Explanation :
A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants. Bluetooth is an example of the same.
[10] A list of protocols used by a system, one protocol per layer, is called:
A.
protocol architecture
B.
protocol stack
C.
protocol suit
D.
protocol application
Ans:
protocol stack
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite.
[11] In which of the following scenarios does Network congestion occur?
A.
in case of a node termination
B.
when a system terminates
C.
when connection between two nodes terminates
D.
in case of traffic overloading
Ans:
in case of traffic overloading
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
ENIAC was the first electronic computer in the world.
[8] Communication channel is shared by all the machines on the network in:
A.
broadcast network
B.
unicast network
C.
multicast network
D.
Internet Protocol Address
Ans:
broadcast network
Explanation :
Broadcast networks: It has a single communication channel that is shared by all the machines on the network. Short messages, called packets in certain contexts, sent by any machine are received by all the others.
[9] Bluetooth is an example of:
A.
personal area network
B.
local area network
C.
virtual private network
D.
wide area network
Ans:
personal area network
Explanation :
A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants. Bluetooth is an example of the same.
[10] A list of protocols used by a system, one protocol per layer, is called:
A.
protocol architecture
B.
protocol stack
C.
protocol suit
D.
protocol application
Ans:
protocol stack
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite.
[11] In which of the following scenarios does Network congestion occur?
A.
in case of a node termination
B.
when a system terminates
C.
when connection between two nodes terminates
D.
in case of traffic overloading
Ans:
in case of traffic overloading
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
A personal area network (PAN) is a computer network used for data transmission amongst devices such as computers, telephones, tablets and personal digital assistants. Bluetooth is an example of the same.
[10] A list of protocols used by a system, one protocol per layer, is called:
A.
protocol architecture
B.
protocol stack
C.
protocol suit
D.
protocol application
Ans:
protocol stack
Explanation :
A protocol stack refers to a group of protocols that are running concurrently that are employed for the implementation of network protocol suite.
[11] In which of the following scenarios does Network congestion occur?
A.
in case of a node termination
B.
when a system terminates
C.
when connection between two nodes terminates
D.
in case of traffic overloading
Ans:
in case of traffic overloading
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
Network congestion occurs when a network node is carrying more data than it can handle. That is typically due to traffic overloading.
[12] Which of the following describe router functions?
A.
Packet switching
B.
Packet filtering
C.
Internetwork communication
D.
All of the above
Ans:
All of the above
Explanation :
All of the given options are router functions.
[13] A is a computer network that usually spans a city or a large campus.
A.
LAN
B.
DAN
C.
MAN
D.
WAN
Ans:
MAN
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
MAN is abbreviation for Metropolitan Area Network and is a computer network that usually spans a city or a large campus.
[14] What does MAN stands for?
A.
Micro area network
B.
Metropolitan area network
C.
Macro area network
D.
Mix area network
Ans:
Metropolitan area network
Explanation :
MAN is abbreviation for Metropolitan Area Network.
[15] How long is an IPv6 address?
A.
32 bits
B.
128 bytes
C.
64 bits
D.
128 bits
Ans:
128 bits
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
Pv6 address is 128 bits long.
[16] Which of the following is a term for the process of trading goods over the Internet?
A.
e-selling-n-buying
B.
e-trading
C.
e-finance
D.
e-commerce
Ans:
e-commerce
Explanation :
Electronic commerce, commonly written as e-commerce or e-commerce, is the trading or facilitation of trading in products or services using computer networks, such as the Internet or online social networks.
[17] Which of the following option in MS Word 2010 may be used to change page-size and margins?
A.
Page Layout
B.
View
C.
Home
D.
Data
Ans:
Page Layout
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
In MS Word, Margins, Size and Orientation is available in Page Setup under Page Layout Tab. Directions (4-5): Consider the given data flow diagram and answer the following questions.
[18] Which of the following communication modes provides bidirectional data transmission?
A.
Simplex
B.
Half Duplex
C.
Full Duplex
D.
Both (2) and (3)
Ans:
Both (2) and (3)
Explanation :
Simplex is unidirectional while half duplex and full duplex communication modes are bidirectional.
[19] Which among the following is not an operation of an operating system?
A.
Communication manager
B.
Processor manager
C.
Device manager
D.
Memory manager
Ans:
Communication manager
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
OS is not a Communication manager.
[20] Which key should you use to indent the first paragraph of your report?
A.
tab key
B.
return key
C.
space bar
D.
shift key
Ans:
tab key
Explanation :
Tab Key can be used for indentation.
[21]What is the keyboard shortcut to centralize the selected text in Word?
A.
Ctrl + Esc
B.
Ctrl + C
C.
Alt + C
D.
Ctrl + E
Ans:
Ctrl + E
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
Ctrl+E is the short cut key to centralize selected text in MS Word.
[22] Which of the following menu types is also called a drop-down menu?
A.
fly-list
B.
cascading
C.
pop-down
D.
pull-down
Ans:
pull-down
Explanation :
Drop Down menu is also called drop down list or pull-down list.
[23] What is a spooler?
A.
Type of printer
B.
Peripheral device
C.
Program
D.
Output device
Ans:
Program
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
Spooler is a program in computing that is used to line up print jobs by storing them in the buffer for a short time and allows the printer to print at the time when it is use.
[24] What is the diagnostic testing sequence of a computer called that determines if all input and output devices are properly working?
A.
rebooting
B.
POST
C.
scanning
D.
defragmentation
Ans:
POST
Explanation :
POST is a diagnostic testing sequence of a computer that is run before the actual booting to ensure that the computer hardware is functioning well. It stands for ‘Power-On Self-Test’.
[25] Which among the following is a type of device that is used for identifying people by their unique characteristics?
A.
biometric device
B.
Web camera
C.
joystick
D.
scanner
Ans:
biometric device
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.
Explanation :
A biometric device is a type of device that records the unique characteristics such as finger prints because it is impossible to have two different persons with the same fingers prints.