Operating System Mcqs

Page No. 7

What is the full form of RMI?


aRemote Memory Installation

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bRemote Memory Invocation

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cRemote Method Installation

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dRemote Method Invocation

✓



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


amachine dependent representation of data

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bmachine representation of data

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cmachine-independent representation of data

✓


dnone of the mentioned

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What is stub?


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

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bpacks the parameters into a form transmittable over the network

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clocates the port on the server

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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

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cname

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dprocess identifier

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View Answer stub

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


aVariables

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bSockets

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cPorts

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dService names

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View Answer Ports

Remote Procedure Calls are used ____________


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

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bfor communication between two processes on the same system

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cfor communication between two processes on separate systems

✓


dnone of the mentioned

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Which operation is performed by an interrupt handler?


aSaving the current state of the system

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bLoading the interrupt handling code and executing it

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

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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

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cExecuting a special program called system program

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dExecuting a special operation called system call

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In the layered approach of Operating Systems __________


aBottom Layer(0) is the User interface

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bHighest Layer(N) is the User interface

✓


cBottom Layer(N) is the hardware

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dHighest Layer(N) is the hardware

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In an interrupt driven input/output __________


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

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

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

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dthe CPU runs a user written code and does accordingly

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