SSC CHSL 2027 operating-system basics for SSC computer questions

29/10/2026

SSC CHSL 2027: Operating System Basics and Important Questions

An Operating System (OS) is one of the important topics in computer awareness for SSC CHSL 2027. Questions may cover its functions, types, examples and basic terminology. This quick revision guide will help you understand the fundamentals and practise exam-style questions.

1. What Is an Operating System?

An Operating System is system software that manages computer hardware and software resources and provides an interface for users and applications.

Examples: Microsoft Windows, Linux, macOS, Android and iOS.

2. Important Functions of an Operating System

Function	Purpose
Process Management	Manages running programs and processes.
Memory Management	Allocates and manages main memory.
File Management	Organises files and folders.
Device Management	Coordinates hardware devices through appropriate drivers and system services.
Security	Supports user accounts, permissions and access control.
User Interface	Allows users to interact with the computer.

3. Types of Operating Systems

Type	Basic Meaning
Single-User OS	Designed for one user at a time.
Multi-User OS	Allows multiple users to access system resources.
Multitasking OS	Supports multiple tasks during the same period.
Multiprocessing OS	Uses multiple processors or CPU cores to execute work.
Real-Time OS	Processes tasks within specified timing constraints.
Network OS	Provides services for managing computers and resources across a network.

4. Common Operating Systems and Key Terms

Windows: An operating system developed by Microsoft.
Linux: An open-source operating system family.
macOS: Apple's operating system for Mac computers.
Android: A mobile operating system based on the Linux kernel.
GUI: Graphical User Interface, which uses visual elements such as icons and windows.
CLI: Command-Line Interface, which lets users interact through text commands.
Booting: The process of starting a computer and loading its operating system.
Device Driver: Software that enables the operating system to communicate with a hardware device.

5. Operating System Practice Questions

1. Which of the following is an operating system?
A. MS Word
B. Windows
C. Google Chrome
D. Photoshop
Answer: B. Windows

2. Which OS function manages main memory?
A. File management
B. Memory management
C. Printing
D. Web browsing
Answer: B. Memory management

3. What does GUI stand for?
A. General User Internet
B. Graphical User Interface
C. Global Utility Input
D. Graphic Unit Integration
Answer: B. Graphical User Interface

4. Which operating system family is open-source?
A. Linux
B. Microsoft Word
C. PowerPoint
D. Google Chrome browser
Answer: A. Linux

5. What is booting?
A. Deleting a file
B. Starting a computer and loading its operating system
C. Printing a document
D. Formatting text
Answer: B. Starting a computer and loading its operating system

6. Frequently Asked Questions

What is an operating system?

An operating system is system software that manages computer resources and provides a platform for applications to run.

Which operating systems should I know for SSC CHSL 2027?

Revise Windows, Linux, macOS, Android and iOS, along with OS functions, interfaces, booting and common operating system types.

Are these exact questions guaranteed to appear in SSC CHSL 2027?

No. These are practice questions based on basic computer knowledge. The actual examination questions may differ, so use the official syllabus and notification for preparation guidance.

Conclusion

For SSC CHSL 2027 computer awareness, revise the definition of an operating system, its major functions, common examples, interface types and booting. Practising basic MCQs can help strengthen your understanding of this topic.