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Categories >> Software >> Embedded Systems >> 86 Family
 
 


 

 
 86 Family interview questions  86 Family Interview Questions (53)
 VLSI interview questions  VLSI Interview Questions (200)
 DSP interview questions  DSP Interview Questions (9)
 Embedded Systems AllOther interview questions  Embedded Systems AllOther Interview Questions (24)
Question
What is an interrupt?
 Question Submitted By :: Nalini C K
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is an interrupt?
Answer
# 1
used to interrupt cpu ,s normal execution routine and to get
its attention .mostly generated by an external devices,
timers,countres...etc
 
Is This Answer Correct ?    19 Yes 10 No
Geo
 
  Re: What is an interrupt?
Answer
# 2
in interrupt we can maximum utilize the CPU time. 
Is This Answer Correct ?    4 Yes 21 No
Yasmeen Sultana
 
 
 
  Re: What is an interrupt?
Answer
# 3
interrupt is a process when the an external device can use
the micro-processor. it is an asynchronous signal and it is
considered as an emergency signal.Whenever the
microprocessor receives an interrupt signal, it stops
executing its current program and jumps into the interrupt
service routine(ISR). there can be more than one "source"
for the interrupt signal and each source has its own ISR
 
Is This Answer Correct ?    37 Yes 6 No
Pratik
 
  Re: What is an interrupt?
Answer
# 4
An interrupt is a signal receieved by the processor from
hardware co-processor through one of its external address
busses/pins, or it could be a message posted by one of the
[software] processes runing in it.

Interrupt is inherently asynchronous in nature and is used
to grab the attention of the processor in a non-planned
fashion - allowing variable execution periods.
http://www.vinaymk.com/tutorials
 
Is This Answer Correct ?    8 Yes 3 No
Vinay M K
 
  Re: What is an interrupt?
Answer
# 5
interrupt allows the external system to gain the attention
of the uni processor.it is used to utilise the time, to
reduce utilization of cpu time
 
Is This Answer Correct ?    12 Yes 2 No
Rajesh
 
  Re: What is an interrupt?
Answer
# 6
An interrupt is an asynchronous signal.It is a disturbance
that occur in the system.....
 
Is This Answer Correct ?    5 Yes 8 No
Riju
 
  Re: What is an interrupt?
Answer
# 7
Interrupt is Asynchronous signal which can be hardware or
software. when Processor is processing one task same time
another task which has the higher priority than first one,
it interrupts the processor. which services the interrupt ny
executing interrupt service routine. After finishing the
higher priority task it return back to normal execution.
 
Is This Answer Correct ?    6 Yes 1 No
Akhilesh
 
  Re: What is an interrupt?
Answer
# 8
interrupt is a process when the an external device can use
the micro-processor. it is an asynchronous signal which can
be hardware or software and it is considered as an
emergency signal.Whenever the microprocessor receives an
interrupt signal,it stops the execution of current program
and jumps into the interrupt service routine(ISR).After
finishing the higher priority task it return back to normal
execution.
 
Is This Answer Correct ?    11 Yes 4 No
Meenakshi Garg
 
  Re: What is an interrupt?
Answer
# 9
an interrupt is an compared in virus when interrupt is an
occurred the program is executed.
 
Is This Answer Correct ?    5 Yes 4 No
Kranthi
 
  Re: What is an interrupt?
Answer
# 10
Its a signal which temperaly halts the program for the service of hardware, 
Is This Answer Correct ?    0 Yes 2 No
Aravind
 

 
 
 
Other 86 Family Interview Questions
 
  Question Asked @ Answers
 
What is flag, bus?   8
What do you mean by wait state? What is its need?   2
Give the truth table for a Half Adder, Give a gate level implementation of the same? Wipro 4
Difference between 80286 and 80287 Mascot 2
in a sn SR latch made by using cross coupling of two nand gates, if both S andR inputs set o then it will result ISRO 1
Which line will be activated when an output device require attention from CPU?   3
Give two ways of converting a two input NAND gate to an inverter ?   2
What is the role of segment register?   5
What is the function of accumulator? Sandvik 16
Design a Transmission Gate based XOR. Now, how do you convert it to XNOR? Wipro 1
load a mul a store t1 load b mul b store t2 mul t2 add t1 then the content in accumulator is Wipro 2
How do you detect if two 8-bit signals are same? Intel 5
 
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