Operating System Basics Questions and Answers

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Q441
On magnitic disks, the data on the platter is organized in a concentric sets of rings called
  • A Setors
  • B Gaps
  • C Rings
  • D Tracks
Answer: Option D
Q442
In disk storage devices the width of head is :
  • A Same of the track
  • B More than of the track
  • C Less than of the track
  • D None is true
Answer: Option A
Q443
In a fixed head disk, the number of read/write head per track are
  • A One
  • B Two
  • C Three
  • D Four.
Answer: Option A
Q444
CD defines
  • A Computer device
  • B Computer disk
  • C Compact disk
  • D None of these
Answer: Option C
Q445
A-Fixed-Head disk, B-Movable-Head disk, 1-One head per track and al head are mounted on rigid arm that extends across all tracks. 2- Only one head and head is mounted on the arm, such that it can position the track.
  • A A - 1, B - 2
  • B A - 2, B - 1
  • C A - 1, B - 1
  • D A - 2, B - 2
Answer: Option A
Q446
The record is the collection of
  • A Field
  • B Files
  • C Data base
  • D None of these
Answer: Option A
Q447
In File system architecture which is the correct arrangement from lower level to higher.
  • A Device drive, basic file system, basic I/O supervisor, logical I/O
  • B Basic file system, basic I/O, logical I/O, Device drives
  • C basic I/O, basic file system, lgical I/O, device drives.
  • D None of these
Answer: Option A
Q448
In file management system the following communicate directly with periphing I/O devices
  • A Device drives
  • B Basic file system
  • C Basic I/O supervisor
  • D Logical I/O.
Answer: Option A
Q449
For file management, in file operations device drivers are
  • A Disk drivers
  • B Tape drivers
  • C A and B both
  • D None of these
Answer: Option C
Q450
In file management, the primary interface of computer system with external environment is done through
  • A Device drivers
  • B Basic file system
  • C basic I/O supervisor
  • D Logical I/O.
Answer: Option B

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