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Question 1

String Processing?

Answer 1

A bit (more powerful than 8088) instruction that can process blocks of data in one go. They are called block processing or String instructions.

Question 2

Block of memory which is a video memory?

Answer 2

The vision of this memory for the processor is just a block of memory starting at a special address.

Question 3

The five instructions are:

Answer 3

1- STOS : store string
2- LODS: load string
3- CMPS: compare string
4- SCAS: scan string
5- MOVS: move string

Question 4

String instructions are —- instructions. They perform a number of tasks against one instructions.

Answer 4

Complex

Question 5

REPE, REPNE full forms?

Answer 5

REPE: Repeat while equeal
REPNE: Repeat while not equal

Question 6

MOVS is used to?

Answer 6

Move block of memory

Question 7

DF is important in the case of?

Answer 7

Overlapping blocks

Question 8

Interrupts in reality are —-. That occurs outside the processor and the processor must be informed about them.

Answer 8

Events

Question 9

Interrupts are —- and —–?

Answer 9

Asynchronous and unpredictable

Question 10

The 8088 processor divides interrupts into —- classes.

Answer 10

Two classes
1- Software interrupt
2- Hardware interrupt