Test Bank (OS)

Operating System Test Bank 1

01- If the .............. is invoked infrequently, then the execution of the CPU will be affected

All of the given choices

Long-term scheduler

Medium-term scheduler

Short-term scheduler

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02- When the process is just created, then it IS residing in ............

None of the given choices

Device queues

job queue

Ready queue

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03- The role of ........... is to defend the system from internal or external attacks.

Security

Mechanism

Protection

none

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04- The Processor will stop executing a certain process because of

Interrupt

Interrupt or System call

program counter

System call

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05- Which of the following schedulers could be used to reduce the degree of multiple programming?

Short-term scheduler

Long-term scheduler

All of the given choices

Medium-term scheduler

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06- Policy .............

is not likely to change across places

determines what will be done

determines how to do something

is not likely to change over time

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07- In which of the following models the operating system is responsible for creating a sufficient number of kernel threads.

Many-to-Many

Tow-level

Many-to-one

One-to-Many

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08- ............ is/are not a technique for passing parameters from an application to a system call.

cache memory

Special block in memory

registers

stake

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09- MicroKernels use ........... for communication.

virtualization

system calls

shared memory

message passing

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10- In terms of RPC, ........... handles the data representation.

XDR

Socket

matchmaker

Stub

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