Test Bank (OS)

Operating System Test Bank 1

01- Policy .............

is not likely to change over time

determines how to do something

is not likely to change across places

determines what will be done

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

Security

Mechanism

Protection

none

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03- MicroKernels use ........... for communication.

message passing

virtualization

system calls

shared memory

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

All of the given choices

Short-term scheduler

Medium-term scheduler

Long-term scheduler

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

cache memory

registers

Special block in memory

stake

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

Stub

Socket

matchmaker

XDR

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

Short-term scheduler

All of the given choices

Long-term scheduler

Medium-term scheduler

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

One-to-Many

Many-to-one

Many-to-Many

Tow-level

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

Ready queue

job queue

Device queues

None of the given choices

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

System call

Interrupt

program counter

Interrupt or System call

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