Buy/Download all MCQ Ebook >>>Click Here<<<
Computer organization basic questions answers
Click on any option to know the CORRECT ANSWERS
Question 1 |
When dealing with multiple devices interrupts, which mechanism is easy to implement?
Polling method | |
Vectored interrupts | |
Interrupt nesting | |
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 |
The interrupt servicing mechanism in which the requesting device identifies itself to the processor to be serviced is .....
Polling | |
Vectored interrupts | |
Interrupt nesting | |
Simultaneous requesting |
Question 3 |
In vectored interrupts, how does the device identify itself to the processor?
By sending its device id | |
By sending the machine code for the interrupt service routine | |
By sending the starting address of the service routine | |
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 |
The code sent by the device in vectored interrupt is ..... long.
upto 16 bits | |
upto 32 bits | |
upto 24 bits | |
4-8 bits |
Question 5 |
The starting address sent by the device in vectored interrupt is called as .....
Location id | |
Interrupt vector | |
Service location | |
Service id |
There are 5 questions to complete.