MCQ Collection
GAT Subject Computer Science MCQs
Practice GAT Subject Computer Science questions with answers and explanations.
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Correct Answer: D. Octal
Explanation:
The octal system has base 8 and uses digits 0–7.
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Correct Answer: A
Explanation:
The h1 element represents the highest-level heading.
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Correct Answer: B. NOT
Explanation:
NOT changes true to false and false to true.
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Correct Answer: B. A group of connected devices that exchange data
Explanation:
A network connects devices so they can communicate and share resources.
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Correct Answer: C. Router
Explanation:
A router selects paths and forwards packets between networks.
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Correct Answer: D. Central Processing Unit
Explanation:
CPU means Central Processing Unit.
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Correct Answer: A. RAM
Explanation:
RAM is volatile memory and requires power to retain data.
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Correct Answer: B. Machine language
Explanation:
The processor executes machine instructions encoded in binary.
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Correct Answer: C. Translate source code into another executable or lower-level form
Explanation:
A compiler translates source code before execution.
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Correct Answer: D. Primary key
Explanation:
A primary key uniquely identifies each table row.
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Correct Answer: A. The address of a resource on a network
Explanation:
A URL locates a resource such as a web page.
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Correct Answer: B. HTTPS
Explanation:
HTTPS uses HTTP over encrypted transport.
