Table of Contents
COMPUTER AWARENESS MCQ FOR COMPETITIVE EXAMS
1. Which unit converts computer data into human readable form?
A) Input unit
B) Output unit
C) ALU
D) Control Unit
2. The full form of ALU is:
A) Arithmetic Logic Unit
B) Array Logic Unit
C) Application Logic Unit
D) None of above
3. What produces useful information out of data?
A) Computer
B) Processing
C) Programming
D) none of above
4. Which of the following device was not invented by Babbage?
A) Pascaline
B) Difference Engine
C) Analytical Engine
D) None of above
5. A digital computer did not score over an analog computer in terms of:
A) Speed
B) Accuracy
C) Reliability
D) Cost
6. Which number system is usually followed in a typical 32-bit computer?
A) Binary
B) Decimal
C) Hexadecimal
D) Octal
7. A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer?
A) Accuracy
B) Reliability
C) Versatility
D) Automatic
8. A paper printout of a document is known as:
A) Softcopy output
B) Hardcopy output
C) Permanent Output
D) All of above
9. Which electronic component was made out of semiconductor material?
A) Vacuum tubes
B) Transistors
C) ICs
D) All of above
10. The act of retrieving existing data from memory is called:
A) Read-out
B) Read from
C) Read
D) All of above
ANSWERS:
1-B
2-A
3-B
4-A
5-B
6-A
7-B
8-B
9-C
10-D
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