Computer organization basic questions answers

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Question 1 [CLICK ON ANY COICE TO KNOW RIGHT ANSWER]

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

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 [CLICK ON ANY COICE TO KNOW RIGHT ANSWER]

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

Question 3 [CLICK ON ANY COICE TO KNOW RIGHT ANSWER]

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

Question 3 Explanation:

By sending the starting address of the routine the device ids the routine required and thereby identifying itself.

Question 4 [CLICK ON ANY COICE TO KNOW RIGHT ANSWER]

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

Question 5 [CLICK ON ANY COICE TO KNOW RIGHT ANSWER]

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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