Computer Organization and Architecture Mcqs

Page No. 16

The resistor which is attached to the service line is called _____


aPush-down resistor

✖


bPull-up resistor

✓


c Break down resistor

✖


dLine resistor

✖


View Answer Pull-up resistor

______ type circuits are generally used for interrupt service lines.
i) open-collector
ii) open-drain
iii) XOR
iv) XNOR


ai, ii

✓


b ii

✖


cii, iii

✖


dii, iv

✖


View Answer i, ii

A single Interrupt line can be used to service n different devices.


aTrue

✓


bFalse

✖


ceither true either false

✖


dnone of the mentioned

✖


View Answer True

Interrupts form an important part of _____ systems.


aBatch processing

✖


bMultitasking

✖


cReal-time processing

✓


dMulti-user

✖


View Answer Real-time processing

The time between the receiver of an interrupt and its service is ______


aInterrupt delay

✖


b Interrupt latency

✓


cCycle time

✖


dSwitching time

✖


View Answer Interrupt latency

When the process is returned after an interrupt service ______ should be loaded again.
i) Register contents
ii) Condition codes
iii) Stack contents
iv) Return addresses


a i, iv

✖


bii, iii and iv

✖


ciii, iv

✖


di, ii

✓


View Answer i, ii

The signal sent to the device from the processor to the device after receiving an interrupt is ___________


aInterrupt-acknowledge

✓


bReturn signal

✖


cService signal

✖


dPermission signal

✖


View Answer Interrupt-acknowledge

The return address from the interrupt-service routine is stored on the ___________


aSystem heap

✖


bProcessor register

✖


cProcessor stack

✓


dMemory

✖


View Answer Processor stack

The interrupt-request line is a part of the ___________


aData line

✖


bData line

✓


cAddress line

✖


dNone of the mentioned

✖


View Answer Data line

Interrupts initiated by an instruction is called as _______


aInternal

✖


bExternal

✓


cHardware

✖


dSoftware

✖


View Answer External

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