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. While working on Microsoft Word, which among the following is the command for “Undo”?
[A] Cntrl +A
[B] Cntrl +Z
[C] Cntrl +Y
[D] Cntrl +C
Show Answer
Correct Answer: B [Cntrl +Z ]
Notes:
Undo is an interaction technique which is implemented in many computer programs. Cntrl +Z is the is for Undo in Microsoft word.
2. Symantec is the maker of which among the following popular antivirus software?
[A] Norton
[B] BitDefender
[C] Avast
[D] McAfee VirusScan
Show Answer
Correct Answer: A [Norton]
Notes:
Symantec is an American consumer software company now known as NortonLifeLock. It is the make of famous software Norton.
3. Which of the following lies within the CPU?
[A] Primary Memory
[B] Secondary Memory
Secondary Memory
[C] Mouse
[D] Keyboard
Show Answer
Correct Answer: A [Primary Memory]
Notes:
All input data and instructions are stored in the memory which is of two types-primary memory and the secondary memory. Primary memory resides within the CPU while the secondary memory is external to it.
4. A communication system which transfers data between the components inside a computer or even between computers is known as
[A] Bus
[B] Wire
[C] Knot
[D] Line
Show Answer
Correct Answer: A [Bus]
Notes:
In computer architecture, a bus is a communication system which transfers data between the components inside a computer or even between computers.
5. Which of the following are related to finding information from the RAM?
[A] Memory Buffer Register
[B] Memory Data Register
[C] Memory Address Register
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
All three i.e. Memory Buffer Register, Memory Data Register and Memory Address Register represent a collection of storage registers which are located on separate chips from CPU. They all fetch information from memory.
6. Which of the following is a single integrated circuit on which a CPUs are typically constructed?
[A] Microprocessor
[B] Memory
[C] Motherboard
[D] Hard Disk
Show Answer
Correct Answer: A [Microprocessor]
Notes:
CPUs are typically constructed on a single integrated circuit known as the microprocessor.
7. Who had discovered the Boolean algebra?
[A] George Boole
[B] Charles Babbage
[C] Augusta Ada Byron
[D] Herman Hollerith
Show Answer
Correct Answer: A [George Boole]
Notes:
Englishman, George Boole had invented a new branch of mathematics called the Boolean algebra. Boolean algebra and the binary code help modern computers to make simple decisions by comparison of long strings of zeroes.
8. Which of the following are examples of an analog signal?
[A] Sound via an electrified copper wire
[B] Human Speech via an electrified copper wire
[C] Light
[D] Both 1 and 2
Show Answer
Correct Answer: D [Both 1 and 2]
Notes:
Examples of analog signal include sound or human speech over an electrified copper wire.
9. How is data transmitted in analog computers?
[A] Continuous Signals
[B] Discrete Signals
[C] Intermittent Signals
[D] Interrupted Signals
Show Answer
Correct Answer: A [Continuous Signals]
Notes:
In Analog computers, data is transmitted for operation in the form of continuous signals.
10. Every computer runs an OS software program. What does OS stand for?
[A] Operating Software
[B] Operating System
[C] Operating Status
[D] Operating Supplier
Show Answer
Correct Answer: B [Operating System]
Notes:
An operating system is system software that manages computer hardware and software resources and provides common services for computer programs.
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