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.
11. Who gave the first successful demonstration of use of a simplified analytical engine in computing tables in 1888?
[A] Charles Babbage
[B] Henry Babbage
[C] Vannevar Bush
[D] H.W. Nieman
Show Answer
Correct Answer: B [Henry Babbage]
Notes:
The first successful demonstration of the use of a simplified analytical engine in computing tables in 1888 was given by Henry Babbage.
12. Who had proposed the principle of modern computer in his 1936 paper?
[A] Alan Turing
[B] Geoff Tootill
[C] Ferranti Mark
[D] Grace Hopper
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Correct Answer: A [Alan Turing]
Notes:
The principle of the modern computer was proposed by Alan Turing. His seminal paper “On Computable Numbers” has proposed a device called the Universal Computing Machine.
13. Which of the following is the basic function of a computer?
[A] Input
[B] Storage
[C] Processing
[D] All of the above
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Correct Answer: D [All of the above]
Notes:
A computer basically has four different functions. They are input, processing, storage and accuracy.
14. Which of the following stands for the input function of the computer?
[A] Receiving or accepting information from outside sources
[B] Processing information in structured format
[C] Transforming raw data into information
[D] Store results for future use
Show Answer
Correct Answer: A [Receiving or accepting information from outside sources]
Notes:
Input, storage, processing and output are four basic functions of the computer. Input basically stands for entering data or receiving or accepting information from outside sources.
15. Which of the following includes Logic Operations?
[A] AND
[B] XOR
[C] NOT
[D] All of the above
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Correct Answer: D [All of the above]
Notes:
Logic Operations involve Boolean logic: AND, OR, XOR and NOT. These are used for creating complicated conditional statements and processing boolean logic.
16. Who had conceived the idea of the first ever Graphical User Interface?
[A] Steve Jobs
[B] Douglas Engelbart
[C] Alan Kay
[D] Bill Gates
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Correct Answer: C [Alan Kay]
Notes:
The idea of the very first Graphical User Interface was conceived by Alan Kay. It was then pronounced as gooey.
17. In what form is the data expressed in a digital computer?
[A] Binary
[B] Tertiary
[C] Primary
[D] Secondary
Show Answer
Correct Answer: A [Binary]
Notes:
Digital data works on various kinds of data which include magnitude, letters, symbols, etc. and are expressed in binary code i.e. using numbers only in two digits like 0 and 1.
18. Who had designed ENIAC?
[A] Gladeon Bames
[B] Herman Goldstine
[C] Betty Snyder
[D] John Mauchly
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Correct Answer: D [John Mauchly]
Notes:
ENIAC was designed by John Mauchly and J. Presper Eckert of University of Pennsylvania. There were many design engineers who had assisted them.
19. Which of the following system is also known as desknotes?
[A] Laptop
[B] Notebook
[C] DTR computer
[D] Nettops
Show Answer
Correct Answer: C [DTR computer]
Notes:
A Desktop Replacement computer is also known as desknotes i.e. a combination of desktop and notebook.
20. Which of the following is known as the brain of the personal computer?
[A] Control Unit
[B] CPU
[C] ALU
[D] Monitor
Show Answer
Correct Answer: A [Control Unit]
Notes:
Control unit is known as the brain of the computer. The control unit (CU) is a component of a computer’s central processing unit (CPU) that directs the operation of the processor.
