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Q.

In general, the destination operand of an instruction can be

A

memory location

B

register

C

immediate data

D

memory location and register

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MCQ

1.

The instructions that are used to call a subroutine from the main program and return to the main program after execution of called function are

A

CALL, JMP

B

JMP, IRET

C

CALL, RET

D

JMP, RET

Discussion

MCQ

2.

The instruction that pushes the flag register on to the stack is

A

PUSH

B

POP

C

PUSHF

D

POPF

Discussion

MCQ

3.

The expansion of DAA is

A

decimal adjust after addition

B

decimal adjust before addition

C

decimal adjust accumulator

D

decimal adjust auxiliary

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MCQ

4.

The instruction that performs logical AND operation and the result of the operation is not available is

A

AAA

B

AND

C

TEST

D

XOR

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MCQ

5.

The instructions that are used for reading an input port and writing an output port respectively are

A

MOV, XCHG

B

MOV, IN

C

IN, MOV

D

IN, OUT

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