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Micro processor

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Data bus width of 8086 microprocessor

a)

16

b)

20

c)

8

d)

32

2.

Choose the maximum mode pins of 8086

a)

HOLD

b)

DEN

c)

LOCK

d)

INTR

3.

Which of the following has higher priority ?

a)

INTR

b)

NMI

4.

Which register contains the 16-bit offset address of next instruction code within the 64 Kb of the code segment

(a)  

5.

Which are the registers in Execution unit?

a)

Data Segment Register

b)

Counter Register

c)

Instruction Pointer

d)

Flag Register

6.

Size of stack segment in 8086 ?

(a)  

7.

Identify the addressing mode

MOV CX, [SI + 0A20H]

a)

Immediate

b)

Register Indirect

c)

Direct

d)

Indexed

8.

When ALE goes high, address on address bus is latched onto a latch IC

a)

true

b)

false

9.

In based indexed addressing mode , effective address of operand is calculated using which of the following

a)

BX , AX , 16 bit displacement

b)

BX ,16 bit displacement

c)

BX, DX, 8 bit displacement

d)

BP , SI , 16 bit displacement

10.

Which register is used commonly in Loop instructions ?

a)

AX

b)

BX

c)

CX

d)

DX