MCQ Collection
NCRE Level 1 MCQs
Practice NCRE Level 1 questions with answers and explanations.
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Correct Answer: B. An operating system manages hardware resources and provides services to applications
Explanation:
Operating systems coordinate processes, memory, storage, devices and user/application interfaces.
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Correct Answer: C. Testing seeks evidence about defects and behaviour but cannot prove the complete absence of defects
Explanation:
Testing samples behaviour against expectations; exhaustive proof is usually infeasible.
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Correct Answer: C. Users and processes should receive only the permissions necessary for their tasks
Explanation:
Limiting permissions reduces the impact of mistakes and compromised accounts.
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Correct Answer: C. A data type constrains the values and operations valid for a variable
Explanation:
Types define representation and permitted operations, helping programs detect invalid use.
