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Operating Systems MCQs

Master key concepts in Operating Systems with our carefully curated MCQs designed for competitive exams and job tests. This section covers essential topics like process management, memory management, CPU scheduling, file systems, deadlocks, synchronization, virtual memory, and operating system architecture. These Operating Systems MCQs are ideal for candidates preparing for FPSC, PPSC, NTS, SPSC, BPSC, CSS, PMS, and IT-related job exams. Whether you’re a CS student or an IT job aspirant, these multiple-choice questions will help you sharpen your technical knowledge and improve exam performance. Questions are regularly updated to match the latest exam trends and syllabus.

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1 Operating Systems MCQs

Which firmware contains the essential instructions a computer uses during startup?

  • POST
  • BIOS
  • CMOS
  • DIOS
0 Comments
Correct Answer: B. BIOS

Explanation:

BIOS (Basic Input/Output System) is firmware traditionally stored on a motherboard that provides essential instructions ... Read More Details

2 Operating Systems MCQs

Which function is associated with the Windows key + F keyboard shortcut in Microsoft Windows?

  • Show system properties
  • Find Computers
  • Find files or folders
  • Run
0 Comments
Correct Answer: C. Find files or folders

Explanation:

The Windows key + F shortcut was traditionally used to open the Search interface for ... Read More Details

3 Operating Systems MCQs

What does the Windows key + D keyboard shortcut do in Microsoft Windows?

  • Show system properties
  • Find Computers
  • Show Desktop (toggle)
  • Lock Desktop
0 Comments
Correct Answer: C. Show Desktop (toggle)

Explanation:

The Windows key + D keyboard shortcut is used to show the desktop or toggle ... Read More Details

4 Operating Systems MCQs

Which application or feature opens when you press Windows key + E in Microsoft Windows?

  • Windows File Explorer
  • Utility Manager
  • Show Desktop (toggle)
  • Run
0 Comments
Correct Answer: A. Windows File Explorer

Explanation:

The Windows key + E keyboard shortcut opens Windows File Explorer, traditionally known as Windows ... Read More Details

5 Operating Systems MCQs

Which action is performed by the Windows key + M keyboard shortcut in Microsoft Windows?

  • Show system properties
  • Help
  • Find Computers
  • Minimize all applications
0 Comments
Correct Answer: D. Minimize all applications

Explanation:

The Windows key + M keyboard shortcut is used to minimize all open application windows ... Read More Details

6 Operating Systems MCQs

What does the Windows key + U shortcut open in Windows?

  • Show System Properties
  • Utility Manager
  • Show Desktop
  • Lock Desktop
0 Comments
Correct Answer: B. Utility Manager

Explanation:

The Windows key + U shortcut traditionally opens the Utility Manager or Ease of Access ... Read More Details

7 Operating Systems MCQs

An operating system can be compared to a ______ because it manages and controls the activities of a computer system.

  • Government
  • Police
  • Parliament
  • All of the above
0 Comments
Correct Answer: A. Government

Explanation:

An operating system (OS) is the main system software that manages the ... Read More Details

8 Operating Systems MCQs

Which of the following is NOT used as a nickname for an Android version?

  • Honeycomb
  • Cupcake
  • Gingerbread
  • Muffin
0 Comments
Correct Answer: D. Muffin

Explanation:

Android versions have historically been associated with dessert-themed names. These names were ... Read More Details

9 Operating Systems MCQs

In which year was Microsoft Windows 10 officially launched?

  • 2010
  • 2015
  • 2020
  • 2025
0 Comments
Correct Answer: B. 2015

Explanation:

Windows 10 is an operating system developed by Microsoft as part of ... Read More Details

10 Operating Systems MCQs

Which component is responsible for initializing computer hardware and loading the operating system?

  • System Programs
  • BIOS
  • CP
  • Memory
0 Comments
Correct Answer: B. BIOS

Explanation:

The BIOS (Basic Input/Output System) is firmware stored on the computer's motherboard that is responsible ... Read More Details

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