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MCQ

Random access to tape is _______ a disk seek.

much slower than

much faster than

comparable to

none of the mentioned

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In contiguous allocation _____________

each file must occupy a set of contiguous blocks on the disk

each file is a linked list of disk blocks

all the pointers to scattered blocks are placed together in one location

none of the mentioned

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Sequential access method ______ on random access devices.

works well

doesn't work well

maybe works well and doesn't work well

none of the mentioned

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The time taken to move the disk arm to the desired cylinder is called the ____________

positioning time

random access time

seek time

rotational latency

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What will happen in the single level directory?

all directories must have unique names

all files must have unique names

all files must have unique owners

all of the mentioned

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For each file there exists a ___________ that contains information about the file, including ownership, permissions and location of the file contents.

metadata

file control block

process control block

all 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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