MCQ Collection
GAT Subject Computer Science MCQs
Practice GAT Subject Computer Science questions with answers and explanations.
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Correct Answer: D. While loop
Explanation:
A while loop evaluates its condition before each iteration.
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Correct Answer: A. Software that manages hardware and provides services to programs
Explanation:
An operating system coordinates hardware resources and applications.
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Correct Answer: B. A finite sequence of steps for solving a problem
Explanation:
An algorithm is an ordered and finite problem-solving procedure.
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Correct Answer: B. Octal
Explanation:
The octal system has base 8 and uses digits 0–7.
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Correct Answer: C. AND
Explanation:
AND produces true only when both operands are true.
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Correct Answer: D. NOT
Explanation:
NOT changes true to false and false to true.
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Correct Answer: A. Router
Explanation:
A router selects paths and forwards packets between networks.
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Correct Answer: B. Central Processing Unit
Explanation:
CPU means Central Processing Unit.
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Correct Answer: C. RAM
Explanation:
RAM is volatile memory and requires power to retain data.
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Correct Answer: D. Machine language
Explanation:
The processor executes machine instructions encoded in binary.
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Correct Answer: A. Translate source code into another executable or lower-level form
Explanation:
A compiler translates source code before execution.
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Correct Answer: B. Primary key
Explanation:
A primary key uniquely identifies each table row.
