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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