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Q.

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

A

PUSH

B

POP

C

PUSHF

D

POPF

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1.

Which of the following instruction is not valid?

A

MOV AX, BX

B

MOV DS, 5000H

C

MOV AX, 5000H

D

PUSH AX

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2.

The flag that acts as Borrow flag in the instruction, SBB is

A

direction flag

B

carry flag

C

parity flag

D

trap flag

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3.

The instruction that is used for finding out the codes in case of code conversion problems is

A

XCHG

B

XLAT

C

XOR

D

JCXZ

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4.

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

A

PUSH

B

POP

C

PUSHF

D

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5.

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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