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CS 332 LAB 10

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

The register of 8086 are_____ bits in size.

a)

8

b)

12

c)

16

d)

20

2.

The number of address and data lines of 8086_________.a)

a)

8 and 8

b)

16 and 16

c)

20 and 16

d)

16 and 20

3.

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

a)

Data segment

b)

Code segment

c)

Stack segment

d)

Extra segment

4.

Direction flag is used with ____.

a)

String instructions

b)

Stack Instructions

c)

Arithmetic Instructions

d)

Branch Instructions

5.

The BIU prefetches the instruction from memory and store them in _____.

a)

Queue

b)

Register

c)

Memory

d)

Stack

6.

Which intruction is Used to load the address of operand into the provided register?

a)

LEA

b)

LDS

c)

LES

d)

LAHF

7.

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

a)

incremented by 1.

b)

decremented by 1

c)

incremented by 2

d)

decremented by 2

8.

At the end of ISR instruction should be

a)

END

b)

ENDS

c)

IRET

d)

INTR

9.

The internal RAM memory of the 8051 is:

a)

32 bytesB.

b)

64 bytes

c)

128 bytes

d)

.256 bytes

10.

MOV A, @ R1 will:

a)

.copy R1 to the accumulator

b)

copy the accumulator to R1

c)

copy the contents of memory whose address is in R1 to the accumulator

d)

copy the accumulator to the contents of memory whose address is in R1