Operating System Basics Questions and Answers

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Operating System Basics questions with answers are among the most commonly asked in technical interviews and exams. This section covers core OS concepts like process management, memory allocation, file systems, and scheduling algorithms. Practicing programming questions and answers on operating systems helps strengthen your conceptual clarity and practical understanding of computer architecture. Frequently featured in GATE, TCS, Infosys, and Wipro placements, these MCQs provide a balanced mix of theoretical and applied knowledge. Clear explanations make this section an ideal resource for anyone preparing for system-related roles or competitive exams.

Operating System Basics

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441. On magnitic disks, the data on the platter is organized in a concentric sets of rings called

  • Setors
  • Gaps
  • Rings
  • Tracks
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442. In disk storage devices the width of head is :

  • Same of the track
  • More than of the track
  • Less than of the track
  • None is true
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443. In a fixed head disk, the number of read/write head per track are

  • One
  • Two
  • Three
  • Four.
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444. CD defines

  • Computer device
  • Computer disk
  • Compact disk
  • None of these
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445. 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 - 1, B - 2
  • A - 2, B - 1
  • A - 1, B - 1
  • A - 2, B - 2
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446. The record is the collection of

  • Field
  • Files
  • Data base
  • None of these
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447. In File system architecture which is the correct arrangement from lower level to higher.

  • Device drive, basic file system, basic I/O supervisor, logical I/O
  • Basic file system, basic I/O, logical I/O, Device drives
  • basic I/O, basic file system, lgical I/O, device drives.
  • None of these
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448. In file management system the following communicate directly with periphing I/O devices

  • Device drives
  • Basic file system
  • Basic I/O supervisor
  • Logical I/O.
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449. For file management, in file operations device drivers are

  • Disk drivers
  • Tape drivers
  • A and B both
  • None of these
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450. In file management, the primary interface of computer system with external environment is done through

  • Device drivers
  • Basic file system
  • basic I/O supervisor
  • Logical I/O.
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