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MCQ

The wait operation of the semaphore basically works on the basic _______ system call.

stop()

block()

hold()

wait()

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MCQ

To ensure no preemption, if a process is holding some resources and requests another resource that cannot be immediately allocated to it ____________

then the process waits for the resources be allocated to it

the process keeps sending requests until the resource is allocated to it

the process resumes execution without the resource being allocated to it

then all resources currently being held are preempted

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MCQ

What is the main disadvantage of spinlocks?

they are not sufficient for many process

they require busy waiting

they are unreliable sometimes

they are too complex for programmers

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MCQ

What are Spinlocks?

CPU cycles wasting locks over critical sections of programs

Locks that avoid time wastage in context switches

Locks that work better on multiprocessor systems

All of the mentioned

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MCQ

What are the operations that can be invoked on a condition variable?

wait and signal

hold and wait

signal and hold

continue and signal

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MCQ

What are the two atomic operations permissible on semaphores?

wait

stop

hold

none of the mentioned

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Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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