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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561. An unpaged cache associates disk domains with the address of the read and continues for a specific length. themajor disadvantage of unpaged cache is that

  • It allows cache domain to contain redundant data
  • It does not allow writes to be cached
  • It access time is greater than that of paged caching
  • read ahead cache domain bocks are necessarily fixed in size.
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562. UNIX recognizes following I/O devices

  • Disk and Tape drives
  • Terminals
  • Communication lines
  • All the above.
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563. The following part of a d atabase that holds only one type of information

  • Report
  • Query
  • Record
  • Field
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