MCQ Collection
PIEAS ICS MCQs
Practice PIEAS ICS questions with answers and explanations.
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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: D. Total distance divided by total time
Explanation:
Average speed uses total path length.
It does not depend on direction.
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Correct Answer: A. Total displacement divided by total time
Explanation:
Average velocity is a vector based on net displacement.
A round trip can have zero average velocity.
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Correct Answer: B. Velocity
Explanation:
Slope gives change in displacement per unit time.
That is the definition of velocity.
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Correct Answer: B. 2%
Explanation:
Percentage uncertainty is absolute uncertainty divided by measured value times 100.
0.2/10.0×100 = 2%.
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Correct Answer: C. 4%
Explanation:
Percentage error is |48-50|/50×100.
The result is 2/50×100 = 4%.
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Correct Answer: D. 7.2 × 10^-4
Explanation:
Move the decimal four places to the right to obtain 7.2.
Therefore the exponent is -4.
