Computers and IT MCQs
Computer Awareness Questions and Quiz for Banking, IBPS, RRB, RBI, SBI, NABARD examinations of 2024-2025. Computer Awareness MCQs for Competitive Exams. GKToday Computer Awareness for IBPS PO, IBPS Clerk, Bank PO, Bank Clerk and other entrance / competitive examinations.
1. A network that is connected to the Internet, but uses encryption to scramble all the data sent through the Internet is called ?
[A] My network
[B] Virtual Private Network
[C] Social Network
[D] None of the above
Show Answer
Correct Answer: B [Virtual Private Network ]
Notes:
A virtual private network (VPN) extends a private network across a public network, and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network. Applications running on a computing device, e.g., a laptop, desktop, smartphone, across a VPN may therefore benefit from the functionality, security, and management of the private network. Encryption is a common, though not an inherent, part of a VPN connection.
2. Which among the following is the time period during which a computer is malfunctioning or not operating correctly due to machine failures?
[A] Down time
[B] Up time
[C] Response time
[D] Run time
Show Answer
Correct Answer: A [Down time]
Notes:
Downtime is the time period when a system is unavailable. Downtime or outage duration refers to a period of time that a system fails to perform its primary function.
3. What would be the number of bytes, transferred at the rate of 1 Kilobit per second?
[A] 100
[B] 108
[C] 125
[D] 140
Show Answer
Correct Answer: C [125]
Notes:
kilobit per second (symbol kbit/s or kb/s, often abbreviated “kbps”) is a unit of data transfer. The rate equal to 1,000 bits per second. It is 125 bytes per second.
4. Who had designed and constructed the first recognizably modern digital stored-program computer?
[A] J. Lyons
[B] John Newmann
[C] Tom Kilburn
[D] Maurice Wilkes
Show Answer
Correct Answer: D [Maurice Wilkes]
Notes:
Maurice Wilkes had designed and constructed the first recognizably modern digital stored-program computer.
5. Who among the following is most likely to operate a personal computer?
[A] End-user
[B] Technician
[C] Software Engineer
[D] All of the above
Show Answer
Correct Answer: A [End-user]
Notes:
A personal computer is basically a multipurpose computer which is designed specifically for individual use. It is thus more likely to be used by an end-user.
6. In which of the following industries are touchscreens used?
[A] Heavy Industry
[B] Automated Teller Machines
[C] Medical Field
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The popularity of smart devices has increased the popularity of touchscreens for both portable and functional electronics. These are found in the medical line, heavy industries, ATMs, room automation etc.
7. The CPU and memory are located on which of the following?
[A] Expansion Board
[B] Mother Board
[C] Storage Device
[D] Output Device
Show Answer
Correct Answer: B [Mother Board]
Notes:
A motherboard is the main circuit board found in general purpose microcomputers and expandable systems. It holds and allows communication between many of the components of the system such as CPU, and memory.
8. Which of the following clearly defines the word Bus Width?
[A] It is the size of the vehicle used to ship the computer.
[B] It is the number of pins in a computer port.
[C] It is the number of bits that can be sent to a CPU simultaneously.
[D] None of the Above
Show Answer
Correct Answer: C [It is the number of bits that can be sent to a CPU simultaneously.]
Notes:
The speed of system random-access memory is determined by two factors: bus width and bus speed. Bus width refers to how many bits of information RAM can send to the CPU at the same time.
9. Which of the following is the name given to the number of concentric circles on a diskette?
[A] Sectors
[B] Cylinders
[C] Tracks
[D] Clusters
Show Answer
Correct Answer: C [Tracks]
Notes:
The platters of a hard disk have two sides for recording the data. Every surface of the platter has invisible concentric circles on it. These circles are called tracks.
10. Which of the following parts of the system is most affected by the ESD problem?
[A] Mother Board
[B] Expansion Board
[C] Power Supply
[D] All of the Above
Show Answer
Correct Answer: B [Expansion Board]
Notes:
Expansion board is a printed circuit board that can be inserted into an electrical connector, or expansion slot, on a computer motherboard.
