
8051 Interrupts Quiz
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University
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Dr. Mary
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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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