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The flag bits in an ALU is defined as ____________

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The flag bits in an ALU is defined as ____________

(a) The total number of registers

(b) The status bit conditions

(c) The total number of control lines

(d) All of the Mentioned

I had been asked this question in an online quiz.

This is a very interesting question from Procedure for the Design of Combinational Circuits topic in section Arithmetic Circuits of Digital Circuits

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The correct option is (b) The status bit conditions

For explanation: In an ALU, status bit conditions are sometimes called condition code bits or flag bits. It is so called because they tend to represent the status of the respect flags after any operation.

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