Question

Can variables be tested and acted on in a single instruction in assembly language?

a.

Yes, using arithmetic instructions.

b.

Yes, using conditional jump instructions.

c.

No, most instructions are too primitive for that.

d.

No, variables cannot be tested in assembly language.

Posted under Reverse Engineering

Answer: (c).No, most instructions are too primitive for that. Explanation:It is not generally possible to test a variable’s value and act on that value in a single instruction in assembly language, as most instructions are too primitive for that. Instead, the value of a variable must be tested, flags set based on the test, and a conditional branch instruction invoked that tests the necessary flags and branches if they indicate that the operand handled in the most recent instruction was zero.

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Q. Can variables be tested and acted on in a single instruction in assembly language?

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