MCQ Collection
china-kaoyan-computer-408 MCQs
Practice china-kaoyan-computer-408 questions with answers and explanations.
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Correct Answer: D. Big-O notation describes how resource use grows with input size
Explanation:
Asymptotic notation characterises growth rates rather than exact machine-specific time.
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Correct Answer: B. A primary key uniquely identifies each row in a table
Explanation:
Primary-key values are unique and support reliable row identification and relationships.
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Correct Answer: C. Normalisation reduces avoidable redundancy and update anomalies
Explanation:
Normalisation decomposes data structures to improve consistency while preserving meaningful dependencies.
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Correct Answer: C. IP handles addressing and routing, while TCP provides reliable ordered delivery for a connection
Explanation:
The Internet protocol suite separates network-layer routing from transport-layer reliability.
