Computer organization basic questions answers

 

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Computer organization basic questions answers

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Question 1
When dealing with multiple devices interrupts, which mechanism is easy to implement?
A
Polling method
B
Vectored interrupts
C
Interrupt nesting
D
None of the mentioned
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Question 1 Explanation: 
In this method, the processor checks the IRQ bits of all the devices, whichever is enabled first that device is serviced.
Question 2
The interrupt servicing mechanism in which the requesting device identifies itself to the processor to be serviced is .....
A
Polling
B
Vectored interrupts
C
Interrupt nesting
D
Simultaneous requesting
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Question 3
In vectored interrupts, how does the device identify itself to the processor?
A
By sending its device id
B
By sending the machine code for the interrupt service routine
C
By sending the starting address of the service routine
D
None of the mentioned
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Question 3 Explanation: 
By sending the starting address of the routine the device ids the routine required and thereby identifying itself.
Question 4
The code sent by the device in vectored interrupt is ..... long.
A
upto 16 bits
B
upto 32 bits
C
upto 24 bits
D
4-8 bits
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Question 5
The starting address sent by the device in vectored interrupt is called as .....
A
Location id
B
Interrupt vector
C
Service location
D
Service id
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There are 5 questions to complete.

 

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