MPMC 02-09-2020

You are given the following instruction:

ADD AX , [1024]

You are provided the following data:

DS = 3423H ; SS = 1234H ; CS= 4567H

Find the effective address location for the given instruction.

• 35254 H

• 13364 H

• 46694 H

• 4447 H

Which addressing mode is being used in the given instruction?

MOV AX, [1234H]

• Base Addressing Mode

• Immediate Addressing Mode

• Register Addressing Mode

• Direct Addressing Mode

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

• MOV

• PUSH

• DAS

• POP

Which of the following instruction is not valid?

a)

• MOV AX, BX

• MOV DS, 5000H

• MOV AX, 5000H

• PUSH AX

The instruction that adds immediate data/contents of the memory location specified in an instruction/register to the contents of another register/memory location is

• SUB

• ADD

• MUL

• DIV

JZ KNOWN AS

• JUMP IF ZERO

• JUMP IF NOT ZERO

• JUMP IF CARRY

• JUMP IF NOT CARRY

JNC KNOWN AS

• JUMP IF ZERO

• JUMP IF NOT ZERO

• JUMP IF CARRY

• JUMP IF NOT CARRY

INSTRUCTION SET OF 8086 ARE OF HOW MANY TYPES

• 6

• 13

• 8

• 5

ADD AX,BX WILL COME UNDER WHICH INSTRUCTION SET

• ARITHMETIC GROUP INSTRUCTIONS

• DATA TRANSFER GROUP

• REGISTER GROUP

• DIRECT

WHEN WE ARE MULTIPLYING TWO 8 BIT NUMBERS THE MAXIMUM RESULT WILL BE OF HOW MANY BITS

• 16

• 21

• 31

• 8