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______________ allows the algorithm to execute more quickly by performing CPU activity in parallel with I/O activity.

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______________ allows the algorithm to execute more quickly by performing CPU activity in parallel with I/O activity.

(a) Buffering

(b) Double buffering

(c) Multiple buffering

(d) Double reading

The question was asked by my school teacher while I was bunking the class.

Query is from Evaluation of Expressions topic in division Query Processing Techniques of Database Management

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The correct choice is (a) Buffering

Easy explanation - Double buffering using two buffers, with one continuing execution of the algorithm while the other is being written out.

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