Chapter 30 Flashcards Preview

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Flashcards in Chapter 30 Deck (6)
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1
Q

Which interrupt is used in multitasking

A

IRQ 0 (timer)

2
Q

What is multitasking

A

There are 2 programs A and B. And control shift from A to B and vice versa, then it is multi-tasking.

3
Q

What is PCB

A

The space where all registers of a task are stored is called the process control block or PCB

4
Q

What is scheduler

A

INT 08 that is saving and restoring the registers is called the scheduler

5
Q

What is context switch

A

The event of multitasking is called context switch

6
Q

How we can increase the speed of multitasking

A

By changing the timer interrupt frequency