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MCQ

When several processes access the same data concurrently and the outcome of the execution depends on the particular order in which the access takes place, is called?

dynamic condition

race condition

essential condition

critical condition

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MCQ

A monitor is a module that encapsulates __________

shared data structures

procedures that operate on shared data structure

synchronization between concurrent procedure invocation

all of the mentioned

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

continue()

wakeup()

getup()

start()

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What is the disadvantage of invoking the detection algorithm for every request?

overhead of the detection algorithm due to consumption of memory

excessive time consumed in the request to be allocated memory

considerable overhead in computation time

all of the mentioned

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A semaphore is a shared integer variable __________

that can not drop below zero

that can not be more than zero

that can not drop below one

that can not be more than one

Discussion

MCQ

An actual update is not allowed to a data item ____________

before the corresponding log record is written out to stable storage

after the corresponding log record is written out to stable storage

until the whole log record has been checked for inconsistencies

all of the mentioned

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category More Operating System Topics

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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