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.
31. Which of the following terms is used for a software that is built from an existing program?
[A] Brownfield
[B] Greenfield
[C] Pre-existing
[D] None of the Above
Show Answer
Correct Answer: A [Brownfield]
Notes:
Brownfield software development is software that is built from an existing program. It may be contrasted with “Greenfield” development, which involves creating a software program from scratch.
32. What is the term used for computer software that is undergoing testing and has not yet been officially released?
[A] Alpha Software
[B] Beta Software
[C] Gamma Software
[D] Ready-to-use Software
Show Answer
Correct Answer: B [Beta Software]
Notes:
Beta software refers to computer software that is undergoing testing and has not yet been officially released. The beta phase follows the alpha phase.
33. What is the name given to the undoing of partly completed database changes?
[A] Commit
[B] Edit
[C] Undo
[D] Rollback
Show Answer
Correct Answer: D [Rollback]
Notes:
A rollback is the undoing of partly completed database changes when a database transaction is determined to have failed.
34. The CAP Theorem concludes that it is not possible for a distributed computer system to provide three guarantees at the same time. Which of the following are among these three guarantees?
[A] Consistency
[B] Availability
[C] Partition Tolerance
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
The CAP Theorem consists three following terms: Consistency states that each computer node contain all of the same data at the same time. Availability states that each database request is responded to as either successful or failure. Partition tolerance states that the database system continues operating even when not all nodes are connected to one another and suffer communication issues.
35. Which of the following is the reference model used for internetworking ?
[A] TCP
[B] Relay
[C] OSI
[D] Intranet
Show Answer
Correct Answer: C [OSI]
Notes:
An interconnection between public, private, commercial, industrial, or government computer networks can also be defined as internetworking. The reference model used for internetworking is Open System Interconnection(OSI).
36. Which of the following device distributes network traffic across a number of servers?
[A] IDS
[B] Load Balancer
[C] Switch
[D] Hub
Show Answer
Correct Answer: B [Load Balancer]
Notes:
A load balancer is a device that acts as a reverse proxy and distributes network or application traffic across a number of servers. Load balancers are used to increase capacity and reliability of applications
37. What is the full form of NIC?
[A] Network Interface Card
[B] Network Interface Censorship
[C] Node in Connection
[D] All of the Above
Show Answer
Correct Answer: A [Network Interface Card]
Notes:
NIC stands for Network Interface Card. It is used to connect the computer to the external network. It will normally have a PCI connector to connect to one of the PC expansion slots.
38. What is the time needed by each device on a network, to hold the message before processing, called as?
[A] Propagation time
[B] Queuing time
[C] Transmission time
[D] Jitter
Show Answer
Correct Answer: B [Queuing time]
Notes:
The time needed for each intermediate or end device to hold the message before it can be processed. The queuing time is not constant as it changes with the load imposed on the network.
39. What role does fibers play in Optical Fiber cables?
[A] Prevent loss of signals
[B] Provide immunity against electromagnetic interference
[C] Both a and b
[D] None
Show Answer
Correct Answer: C [Both a and b]
Notes:
Fibers are used instead of metal wires because signals travel along them with less loss. Also, fibers are immune to electromagnetic interference, a problem from which metal wires suffer excessively. In addition, Fibers are also used for illumination and imaging.
40. What is the full form of Wi-Fi?
[A] Wireless Fidelity
[B] Wireless Find
[C] Wireless Function
[D] Wireless Fiber
Show Answer
Correct Answer: A [Wireless Fidelity]
Notes:
WI-Fi stands for Wireless Fidelity. It is a local area wireless technology. It allows an electronic device to transfer data or connect to the internet using radio waves.
