Computer Organization and Architecture Mcqs

Page No. 13

The order in which the return addresses are generated and used is _________


aLIFO

✓


bFIFO

✖


cRandom

✖


dHighest priority

✖


View Answer LIFO

What is subroutine nesting?


aHaving multiple subroutines in a program

✖


bUsing a linking nest statement to put many subroutines under the same name

✖


cHaving one routine call the other

✓


dNone of the mentioned

✖



The location to return to, from the subroutine is stored in _______


aTLB

✖


bPC

✖


cMAR

✖


dLink registers

✓


View Answer Link registers

The return address of the Sub-routine is pointed to by _______


aIR

✖


bPC

✓


c MAR

✖


dSpecial memory registers

✖


View Answer PC

The sub-routine service procedure is similar to that of the interrupt service routine in ________


aMethod of context switch

✖


bReturning

✖


cProcess execution

✖


dMethod of context switch & Process execution

✓



The data structure suitable for scheduling processes is _______


aList

✖


bHeap

✖


cQueue

✓


dStack

✖


View Answer Queue

The stack frame for each subroutine is present in ______


aMain memory

✖


b System Heap

✖


cProcessor Stack

✓


dNone of the mentioned

✖


View Answer Processor Stack

In the case of nested subroutines, the stack top is always _________


aThe saved contents of the called sub routine

✓


b The saved contents of the calling sub routine

✖


cThe return addresses of the called sub routine

✖


dNone of the mentioned

✖



____ the most suitable data structure used to store the return addresses in the case of nested subroutines.


aHeap

✖


bStack

✓


cQueue

✖


dList

✖


View Answer Stack

The private space gets allocated to each subroutine when _________


aThe first statement of the routine is executed

✖


bWhen the context switch takes place

✖


cWhen the routine gets called

✓


dWhen the Allocate instruction is executed

✖



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