Operating System Unit 1 Notes AKTU (BCS401)

AKTU · BTECH · Semester 4 · Operating System · Unit 1 · Notes

AKTU Operating System (BCS401) Unit 1 notes for B.Tech Semester 4 – Introduction to Operating Systems. Topics: OS Functions and Structure, Classification of…

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Unit 1: Introduction to Operating Systems – AKTU syllabus topics

  • OS Functions and Structure: Operating System Functions, OS Layered Structure, Operating System Services
  • Classification of Operating Systems: Batch and Interactive Systems, Real Time Systems, Multiprocessor and Multithreaded Systems
  • Kernel Types: Monolithic Kernel, Microkernel, Reentrant Kernels

Most asked AKTU PYQ questions from Unit 1

  1. Q1a. What are the primary functions of an operating system? (2 marks, 2024-25)
  2. Q1a. What is the primary function of an operating system? (2 marks, 2023-24)
  3. Q2a. Explain the following terms in detail: (i) Multiprocessor operating system (ii) Real time system (iii) Time sharing system (10 marks, 2022-23)
  4. Q3a. Discuss the differences between Batch, Interactive, and Time Sharing Operating Systems with real-world applications. (7 marks, 2024-25)
  5. Q1a. Define two main functions of an operating system. (2 marks, 2022-23)
  6. Q2e. Explain in detail about the Multiuser Systems and Multithreaded Systems. (10 marks, 2021-22)
  7. Q2a. Compare and contrast time-sharing and multiprogramming operating system concepts? (7 marks, 2023-24)
  8. Q1b. Define a batch processing system? (2 marks, 2023-24)
  9. Q1a. Define Operating system and mention its major functions. (2 marks, 2021-22)
  10. Q3a. How does a multiuser operating system differ from a multiprocessing system? (7 marks, 2023-24)

AKTU paper codes: BCS401, KCS401, RCS401

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