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Which flag indicates the number of 1 bit that results from an operation?

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Which flag indicates the number of 1 bit that results from an operation?

(a) Zero

(b) Parity

(c) Auxiliary

(d) Carry

This question was addressed to me in unit test.

My doubt is from The Arithmetic & Logic Unit in section Basic Computer Organisation of Computer Fundamentals

1 Answer

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Correct answer is (b) Parity

Easiest explanation: The parity flag indicates the number of 1 bit in any operation.  The resultant bit is called the parity bit. The main aim of the parity bit is to check for errors.

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