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 languages are directly executable by a computer’s CPU?
[A] Machine Language
[B] High Language
[C] Assembly Language
[D] Second generation Language
Show Answer
Correct Answer: A [Machine Language ]
Notes:
Machine languages are directly executable by a computer’s CPU.
2. A file which has not been altered, compressed, or manipulated in any way by the computer is called?
[A] temp file
[B] raw file
[C] permanent file
[D] None of the above
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Correct Answer: B [raw file]
Notes:
A raw file is a collection of unprocessed data. This is a file which is not altered or manipulated. It is the original file that is generated initially.
3. Which of the following statements about ‘Net Metering’ is / are correct?
- It is a billing mechanism for solar energy consumers.
- It allows consumers to receive credits for electricity they add to the grid.
- It is primarily used for monitoring water usage in urban households.
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 2
[C] Only 1
[D] Only 3
Show Answer
Correct Answer: A [Only 1 & 2]
Notes:
Net metering is a billing mechanism that credits solar energy system owners for the electricity they add to the grid. It allows consumers to offset their energy costs by generating their own electricity from solar panels, and any surplus energy is fed back into the grid, for which they receive credits. This innovative system promotes the use of renewable energy sources. It is not related to monitoring water usage in households.
4. What was UNIVAC?
[A] A computer
[B] A Super computer
[C] A software Programme
[D] A Computer Manufacturer
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Correct Answer: A [A computer]
Notes:
Universal Automatic Computer (UNIVAC) was innovated in 1940s that led to the first commercially successful computer.
5. Which of the following devices comprise the output unit?
[A] Control Unit
[B] Visual Display Unit
[C] Secondary Memory
[D] Primary Memory
Show Answer
Correct Answer: B [Visual Display Unit]
Notes:
Devices like a printer and visual display unit that are used to provide information to the user in the desired format are called output unit.
6. Which of the following is seen as the earliest mechanical analog computer?
[A] Tally Stick
[B] Antikythera mechanism
[C] Planisphere
[D] Astrolabe
Show Answer
Correct Answer: B [Antikythera mechanism]
Notes:
The Antikythera mechanism is believed to be the earliest mechanical analog computer. It was designed to calculate astronomical positions.
7. 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.
8. Which of the following comprise commonly used Assembly language?
[A] ARM
[B] COBOL
[C] BASIC
[D] Python
Show Answer
Correct Answer: A [ARM]
Notes:
ARM is a commonly used Assembly language. Its full form is known as Advanced RISC Machine.
9. What was the special feature of the Apple Lisa computer launched in 1983?
[A] Windows XP
[B] GUI Desktop
[C] DOS
[D] Front Panel with Red Lights
Show Answer
Correct Answer: B [GUI Desktop]
Notes:
Steve Jobs launched the Apple Lisa in 1983 which was the first widely available computer with a GUI desktop. It was Jobs own version of the Alto project.
10. In which computer was magnetic core memory first demonstrated?
[A] Manchester baby
[B] Ferranti I
[C] IBM 650
[D] Whirlwind Computer
Show Answer
Correct Answer: D [Whirlwind Computer]
Notes:
The first use of magnetic core was demonstrated in the Whirlwind Computer in 1953. Soon after that commercial production of the same began and it was seen in IBM 704 and Ferranti Mercury.
