MP TUTORIAL II

Which of the following is not a data copy/transfer instruction?

• MOV

• PUSH

• DAS

• POP

Which of the following instruction is not valid

• MOV AX, BX

• MOV DS, 5000H

• MOV AX, 5000H

• PUSH AX

In PUSH instruction, after each execution of the instruction, the stack pointer is

• incremented by 1

• incremented by 2

• decremented by 1

• decremented by 2

The instruction that supports addition when carry exists is

• ADD

• ADC

• DDC

• ADD&ADC

The instruction, “INC” increases the contents of the specified register or memory location by

• 1

• 2

• 4

• 3

In general, the source operand of an instruction can be

• memory location

• register

• immediate data

• all of the above

During comparison operation, the result of comparing or subtraction is stored in

• memory

• registers

• stack

• no where

A _____ Instruction at the end of interrupt service program takes the execution back to the interrupted
program.

• RET

• FWD

• INT

• NMI

The instruction, MOV AX, 0005H belongs to the address mode

• register

• direct

• immediate

• register relative

The contents of a base register are added to the contents of index register in

• indexed addressing mode

• based indexed addressing mode

• relative based indexed addressing mode

• based indexed and relative based indexed addressing mode