Chapter 3
Computer software
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Exercises

1. Fill up the blanks:

(a) _________ is a software mainly used for creating and editing text.

Ans: Word processor

(b) _________ is a multi-user operating system.

Ans: UNIX

(c) __________ manages and controls input and output devices for interaction between a computer and the end-user.

Ans: Operating System

(d) MS-DOS stands for Microsoft _________ Operating System.

Ans: Disk

2. Mark True or False:

(a) Software refers to the physical components of a computer system.

Ans: False

(b) MS-DOS is an example of a multi-user, multi-tasking operating system.

Ans: False

(c) A spreadsheet is an example of an application software.

Ans: True

(d) The operating system manages only hardware resources.

Ans: False

3. What are the two major components of a computer system?

Ans: Hardware and Software

4. What is system software?

Ans: System software is a type of software designed to run a computer's hardware and application programs. It acts as a bridge between the hardware and the user applications.
Examples: Operating Systems (Windows, Linux), Device Drivers, Utility Programs.

5. What is application software?

Ans: Application software is a type of software designed to perform specific tasks for the user, such as word processing, spreadsheet calculations, or browsing the internet.
Examples: MS Word, Excel, Chrome, Photoshop.

6. Explain the functions of different application software with examples.

Ans: 
Word Processor (e.g., MS Word): Used to create, edit, and format text documents.
Spreadsheet (e.g., MS Excel): Used to perform calculations, data analysis, and create charts.
Presentation Software (e.g., MS PowerPoint): Used to create slide-based presentations.
Web Browser (e.g., Google Chrome): Used to access and view websites on the internet.
Multimedia Software (e.g., VLC Media Player): Used to play audio and video files.

7. Describe the differences between system software and application software.

Ans: 
 System software

Application Software

Manages hardware and runs the system
Helps the user perform specific tasks
Works in the background
Works in the foreground as per user instructions
Examples: Windows, Linux, BIOS
Examples: MS Word, Excel, Paint

Essential for computer functioning

Optional, based on user needs

8. What is an operating system? Mention a few basic operating systems with examples.

Ans: An Operating System (OS) is a system software that manages computer hardware, software resources, and provides services for computer programs. It is essential for running applications and managing input/output operations.
Examples of operating systems:
Windows (e.g., Windows 10, Windows 11)
Linux (e.g., Ubuntu, Fedora)
macOS (for Apple computers)
Android (for smartphones and tablets)
iOS (for iPhones and iPads)


EDITING BY-DEEPA DAS.