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Microprocessor 8086 Architecture -Module I

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which is the microprocessor comprises?

a)

Register section

b)

One or more ALU

c)

Control unit

d)

All of the mentioned

2.

A 16-bits address bus can generate _____addresses.

a)

32767

b)

25652

c)

65536

d)

None of the mentioned

3.

Which of the following is a 16-bit register?

a)

AL

b)

AX

c)

AH

d)

All of the mentioned

4.

_______ register is used as a default counter in case of string and loop instructions.

a)

AX

b)

BX

c)

CX

d)

DX

5.

The number of address and data lines of 8086_________.

a)

8 and 8

b)

16 and 16

c)

20 and 16

d)

16 and 20

6.

_______ is the most important segment and it contains the actual assembly language instructions to be executed by the microprocessor.

a)

Data segment

b)

Code segment

c)

Stack segment

d)

Extra segment

7.

Instruction Pointer (IP) contains offset address of ________ segment.

a)

Data segment

b)

Code segment

c)

Stack segment

d)

Extra segment

8.

In 8086 the overflow flag is set when______.

a)

The sum is more than 16 bit

b)

Carry and sign flags are set

c)

Signed numbers go out of their range after an arithmetic operation

d)

During subtraction

9.

The SP is indicated by ________

a)

single pointer

b)

stack pointer

c)

source pointer

d)

destination pointer

10.

The register AX is formed by grouping ________

a)

AH & AL

b)

BH & BL

c)

CH & CL

d)

DH & DL