Operating System MCQs - MCQtimes.com

OS Distributed File Systems

What are the characteristics of Unix semantics?

Easy to implement in a single processor system

Data cached on a per process basis using write through case control

Write-back enhances access performance

All of the mentioned

Author: rikazzz Comment

OS The Linux System

If working set window is too large ____________

it will not encompass entire locality

it may overlap several localities

it will cause memory problems

none of the mentioned

Author: rikazzz Comment

OS File Systems and Their Implementation

A tree structure ______ the sharing of files and directories.

allows

may restrict

restricts

none of the mentioned

Author: rikazzz Comment

OS The Linux System

A process can be ___________

single threaded

multithreaded

both single threaded and multithreaded

none of the mentioned

Author: rikazzz Comment

OS CPU Scheduling

What is FIFO algorithm?

first executes the job that came in last in the queue

first executes the job that came in first in the queue

first executes the job that needs minimal processor

first executes the job that has maximum processor needs

Author: rikazzz Comment

OS The Linux System

When a process begins execution with no pages in memory?

process execution becomes impossible

a page fault occurs for every page brought into memory

process causes system crash

none of the mentioned

Author: rikazzz Comment

OS The Linux System

Thread synchronization is required because ___________

all threads of a process share the same address space

all threads of a process share the same global variables

all threads of a process can share the same files

all of the mentioned

Author: rikazzz Comment

OS Protection

Which two rights allow a process to change the entries in a column?

copy and transfer

copy and owner

owner and transfer

deny and copy

Author: rikazzz Comment

OS Multimedia Systems

RTSP stands for ___________

Real Time Streaming Policy

Real Time Streaming Protocol

Real Time Systems Protocol

Read Time Streaming Policy

Author: rikazzz Comment

OS Deadlocks

A deadlock can be broken by ____________

abort one or more processes to break the circular wait

abort all the process in the system

preempt all resources from all processes

none of the mentioned

Author: rikazzz Comment