MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

COMPUTER ARCHITECTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Multiple interrupts are possible during the program execution.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Multiple interrupt is an interrupt event which can occur while the processor is handling a previous interrupt. For example − A program receiving data from a communication line and printing result there is a possibility for communication interrupt to occur while printer interrupt being processed.

Detailed explanation-2: -When an interrupt occurs, it causes the CPU to stop executing the current program. The control then passes to a special piece of code called an Interrupt Handler or Interrupt Service Routine. The interrupt handler will process the interrupt and resume the interrupted program.

Detailed explanation-3: -Multiple interrupt requests require a mechanism to handle each interrupt. Two or more interrupts requests may also be received simultaneously. Moreover, a new interrupt may be received by the processor while an earlier interrupt is being handled.

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