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.
21. What is the full form of a PCI bus?
[A] Peripheral Computer Interconnect
[B] Peripheral Component Interconnect
[C] Passed Component Interconnect
[D] Phased Computer Interconnect
Show Answer
Correct Answer: B [Peripheral Component Interconnect]
Notes:
PCI stands for Peripheral Component Interconnect. It is a local computer bus for attaching hardware devices in a computer. The first version of conventional PCI found in consumer desktop computers was a 32-bit bus using a 33 MHz bus clock .
22. Which of the following clearly defines the LGA?
[A] A LGA Socket is the connection point for the CPU.
[B] It stands for Land Grid Array.
[C] It provide connection to motherboard.
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
LGA is a chip package with a very high density of contacts. LGAs differ from traditional chips with protruding pins that are inserted into a socket. An LGA chip has flat pads on the bottom of its package that touch contacts on the motherboard socket.
23. Which of the following softwares is used to drive microprocessor-based systems?
[A] Firmware
[B] Assembly Language Program
[C] Flowchart Instructions
[D] Basic Interpreter Instructions
Show Answer
Correct Answer: B [Assembly Language Program]
Notes:
An assembly language is any low-level programming language in which there is a very strong correspondence between the program’s statements.
24. Which of the following graphs tell us the correct and appropriate way to determine the deadlock situation occurrence?
[A] Starvation Graph
[B] Resource Allocation Graph
[C] Inversion Graph
[D] All of the Above
Show Answer
Correct Answer: B [Resource Allocation Graph]
Notes:
A resource allocation graph tracks which resource is held by which process and which process is waiting for a resource of a particular type. It is very powerful and simple tool to illustrate how interacting processes can deadlock.
25. Who is known as the father of the electronic spreadsheet?
[A] Cullinane
[B] Dan Bricklin
[C] Alsop
[D] Richard Rabins
Show Answer
Correct Answer: B [Dan Bricklin]
Notes:
Daniel Bricklin is best known as the co-creator of VisiCalc, the first electronic spreadsheet. In addition to the spreadsheet, he helped develop one of the first word processing systems and programmed the most popular prototyping tool of the MSDOS world.
26. Which of the following issues are related to the Software aging?
[A] Quality of Software decreases
[B] Entropy of Software increases
[C] Both a and b
[D] None of the Above
Show Answer
Correct Answer: C [Both a and b]
Notes:
Software aging refers to progressive performance degradation of a software system due to exhaustion of operating system resources, fragmentation and accumulation of errors.
27. Which of the following is the term used for Nirvana Graphical Editor?
[A] NEdit
[B] AutoZip
[C] WinZip
[D] NrvEdt
Show Answer
Correct Answer: A [NEdit]
Notes:
Nedit is also known as the Nirvana editor. It is a graphical text editor for the X Window System. It is primarily used for editing source code.
28. Which of the following are examples of Access network?
[A] ADSL
[B] ISP
[C] Mobile Network
[D] All of the Above
Show Answer
Correct Answer: D [All of the Above]
Notes:
An access network is a type of network which physically connects an end system to the immediate router on a path from the end system to any other distant end system. Examples of access networks are ISP, home networks, enterprise networks, ADSL, mobile network, FTTH etc.
29. Which one of the following devices converts digital signal to analog signal and vice versa?
[A] Switch
[B] Router
[C] Modem
[D] Bridge
Show Answer
Correct Answer: C [Modem]
Notes:
Modem is a device that converts digital signal to analog signal as a modulator and analog signal to digital signal as a demodulator. Asynchronous modem uses start and stop bit for synchronization instead of clock.
30. 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.
