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Chapter 4: Theoretical Concepts of Operating System — Online MCQ Test

COMPUTER APPLICATIONS · CLASS 11th · Tamil Nadu State Board

Practice Chapter 4: Theoretical Concepts of Operating System with a free chapter-wise online MCQ test for Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS. This chapter covers: Exploring system software this chapter details operating system definitions objectives and functions. Students examine process management memory allocation file management security.... AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 4: Theoretical Concepts of Operating System — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board CLASS 11th COMPUTER APPLICATIONS — Chapter 4: Theoretical Concepts of Operating System, with answers and explanations. These are sample questions; the exam has its own separate question set.

Which of the following acts as an interface between the user and the hardware?
  • A. Application Software
  • B. Operating System ✓
  • C. Compiler
  • D. Motherboard
Answer: B. Operating System
An Operating System provides an interface that allows users to interact with computer hardware efficiently.
Which of the following is NOT a primary function of an Operating System?
  • A. Process Management
  • B. Memory Management
  • C. Database Creation ✓
  • D. File Management
Answer: C. Database Creation
Database creation is a task performed by Database Management Systems (DBMS), not the core Operating System.
In which state does a process move when it is waiting for an I/O operation to complete?
  • A. Ready
  • B. Running
  • C. Blocked ✓
  • D. Terminated
Answer: C. Blocked
A process enters the 'Blocked' or 'Waiting' state when it cannot proceed until an external event like I/O is finished.
If an OS manages multiple users simultaneously on a single mainframe, it is called:
  • A. Single-user OS
  • B. Multi-user OS ✓
  • C. Real-time OS
  • D. Embedded OS
Answer: B. Multi-user OS
A multi-user OS allows several users to access the computer system resources at the same time.
In a secure OS, which mechanism prevents unauthorized access to files?
  • A. Memory fragmentation
  • B. Access Control Lists (ACL) ✓
  • C. Context Switching
  • D. Batching
Answer: B. Access Control Lists (ACL)
ACLs define the permissions for users, ensuring only authorized users can access specific files.
← Previous Chapter
Chapter 3: Computer Organisation

More COMPUTER APPLICATIONS Chapters

Chapter 1: Introduction to Computers Chapter 2: Number Systems Chapter 3: Computer Organisation Chapter 5: Working with Windows Operating System Chapter 6: Introduction to Word Processor Chapter 7: Working with OpenOffice Calc

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