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. Which of the following was used in programming the first computers?
[A] Object code
[B] Source code
[C] Machine Language
[D] Assembly Language
Show Answer
Correct Answer: C [Machine Language ]
Notes:
Machine Language or Machine code is a strictly numerical language which is intended to run as fast as possible. This was used in the first computers.
2. 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.
3. Which among the following was India’s first Teraflop supercomputer?
[A] PARAM 10000
[B] PARAM Yuva
[C] PARAM Padma
[D] PARAM 9000/ss
Show Answer
Correct Answer: C [PARAM Padma]
Notes:
PARAM Padma was the first Indian Teraflop supercomputer. It is India’s first machine ranked on a worldwide supercomputer list.
4. Which of the following comprise the hardware components of the computer?
[A] Printer
[B] Keyboard
[C] Mouse
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The components of the computer which we can see and touch are called the hardware components of the computer. They include devices like keyboard, mouse, printer etc.
5. Who is considered as the father of the computer?
[A] William Thomson
[B] Lord Kelvin
[C] Charles Babbage
[D] Pierre Jaquet-Droz
Show Answer
Correct Answer: C [Charles Babbage]
Notes:
Charles Babbage, an English mechanical engineer and polymath gave the concept of a programmable computer. He is considered as the “Father of the Computer”.
6. 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.
7. Which of the following is the system bus?
[A] Bus connecting Keyboard and Motherboard
[B] Bus connecting CPU and Memory
[C] Bus connecting Memory and Monitor
[D] Bus connecting Hard Disk and Monitor
Show Answer
Correct Answer: B [Bus connecting CPU and Memory]
Notes:
The bus connecting the CPU and memory is one of the defining characteristics of the system and is known as the system bus. Mostly the CPU and Memory they work synchronously.
8. Which of the following is not an input device of the computer?
[A] Trackball
[B] Image Scanner
[C] Joystick
[D] Sound Card
Show Answer
Correct Answer: D [Sound Card]
Notes:
A sound card is not an input device of the computer. A trackball is a pointing device which consists of a ball held by a socket.
9. Which of the following is not an arithmetic capability of a computer?
[A] Addition and Subtraction
[B] Calculation
[C] Copy and Paste
[D] All of the above
Show Answer
Correct Answer: C [Copy and Paste]
Notes:
A computer is much more than an arithmetic number crunching device and performs many other operations like copy, paste, delete, print etc.
10. How are registers measured?
[A] Number of programs
[B] Number of bits
[C] Number of Occurence
[D] Number of reference points
Show Answer
Correct Answer: B [Number of bits]
Notes:
Registers are normally measured by the number of bits they can hold like an 8-bit register, a 32-bit register etc.
