Operating System Mcqs

Page No. 7

What is the full form of RMI?


aRemote Memory Installation


bRemote Memory Invocation


cRemote Method Installation


dRemote Method Invocation



To resolve the problem of data representation on different systems RPCs define _____________


amachine dependent representation of data


bmachine representation of data


cmachine-independent representation of data


dnone of the mentioned



What is stub?


atransmits the message to the server where the server side stub receives the message and invokes procedure on the server side


bpacks the parameters into a form transmittable over the network


clocates the port on the server


dall of the mentioned


View Answer all of the mentioned

RPC provides a(an) _____ on the client-side, a separate one for each remote procedure.


astub


bidentifier


cname


dprocess identifier


View Answer stub

To differentiate the many network services a system supports ______ are used.


aVariables


bSockets


cPorts


dService names


View Answer Ports

Remote Procedure Calls are used ____________


afor communication between two processes remotely different from each other on the same system


bfor communication between two processes on the same system


cfor communication between two processes on separate systems


dnone of the mentioned



Which operation is performed by an interrupt handler?


aSaving the current state of the system


bLoading the interrupt handling code and executing it


cOnce done handling, bringing back the system to the original state it was before the interrupt occurred


dAll of the mentioned


View Answer All of the mentioned

How does the Hardware trigger an interrupt?


aSending signals to CPU through a system bus


bExecuting a special program called interrupt program


cExecuting a special program called system program


dExecuting a special operation called system call



In the layered approach of Operating Systems __________


aBottom Layer(0) is the User interface


bHighest Layer(N) is the User interface


cBottom Layer(N) is the hardware


dHighest Layer(N) is the hardware



In an interrupt driven input/output __________


athe CPU uses polling to watch the control bit constantly, looping to see if a device is ready


bthe CPU writes one data byte to the data register and sets a bit in control register to show that a byte is available


cthe CPU receives an interrupt when the device is ready for the next byte


dthe CPU runs a user written code and does accordingly



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