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Computer MCQ Questions with answers

Here Important Computer MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

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Learn Computer MCQs [Page 1 of Department 28]

M

Mahesh Chandra • 6.28K Points
Tutor III

1) The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as

(A) CPU
(B) Control Unit
(C) I/O unit
(D) Peripheral unit
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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M

Mahesh Chandra • 6.28K Points
Tutor III

4) The process of entering data into a storage location

(A) adds to the contents of the location
(B) cause variation in its address number
(C) is known as a readout operation
(D) is destructive of previous contents
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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M

Mahesh Chandra • 6.28K Points
Tutor III

5) Which of the following is used to insure the high quality of computer output?

(A) computer output microfilm
(B) output controls
(C) voice output systems
(D) liquid crystal display
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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M

Mahesh Chandra • 6.28K Points
Tutor III

6) The most common binary code in use today is the 8 bit ASCII code. What do the letters ASCII stand for?

(A) American Standard Code for International Interchange
(B) American Standard Code for Information Interchange
(C) American Standard Code for Intelligence Interchange
(D) American Scientific Code for Information Interchange
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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M

Mahesh Chandra • 6.28K Points
Tutor III

7) The software used to convert source program instructions to object instruction is known as

(A) Compiler
(B) Assembler
(C) Interpreter
(D) Language processor
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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M

Mahesh Chandra • 6.28K Points
Tutor III

8) Binary numbers need more places for counting because:

(A) 0's and 1's can be added in front of them
(B) 0's and 1's have to be properly placed
(C) They are always big numbers
(D) Binary base is small
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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M

Mahesh Chandra • 6.28K Points
Tutor III

9) Backing storage is so named because it

(A) is always kept at the back of the CPU
(B) is slow and backward
(C) backs up the computer
(D) lags behind the main memory
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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