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8051 Interrupts Quiz

Authored by Dr. Mary

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8051 Interrupts Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an interrupt in the context of a microcontroller?

A type of memory storage

A programming language

An external or internal event that disturbs the microcontroller

A hardware component

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the program associated with an interrupt called?

Interrupt service routine (ISR)

Interrupt handler

Interrupt manager

Interrupt controller

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a method for servicing devices in a microcontroller?

Polling

Event-driven programming

Interrupts

Interrupt handling

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can interrupts be enabled by bit operation?

By setting specific bits

Using the MOV instruction

By using a loop

By resetting the microcontroller

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if two interrupt sources occur simultaneously?

The microcontroller ignores the interrupts

The interrupt with the highest priority gets serviced first

Both are serviced at the same time

The one with the lowest priority is serviced first

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which interrupt has the highest default priority?

Timer interrupt 1

Serial communication

External interrupt 0

Timer interrupt 0

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the IP register?

To store interrupt service routines

To set interrupt priorities

To disable interrupts

To enable interrupts

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