Types of Software

Computer software is a set of instructions that guide computer hardware, telling it what to do, when to do it, and how to perform tasks. Without software, a computer is essentially a dead machine. Computer software is divided into two main categories:

1. Application Software

Application software refers to programs that help users perform specific tasks. Examples include:

Word Processing Software:
- MS Word, WordPad, Notepad
- Used to create documents such as letters and reports.
Database Software:
- Examples: Oracle, MS Access
- Used to store data and perform operations on that data.
Spreadsheet Software:
- Example: Microsoft Excel
- Used to organize data in rows and columns, perform calculations, and present data in charts and graphs.
Presentation Software:
- Example: Microsoft PowerPoint
- Used to display information in slide format.
Internet Browsers:
- Examples: Google Chrome, Firefox, Safari
- Used to access the internet.

2. System Software

System software is a set of programs that control computer hardware and provide a platform for running application software. It is divided into:

A. Operating System

Acts as an interface between the user and the computer system.
Common operating systems for desktops and laptops include:
- Microsoft Windows:
  - Created by Microsoft (Founder: Bill Gates)
  - Various versions available.
- Mac OS:
  - Created by Apple (Founders: Steve Jobs and Steve Wozniak)
  - Can run on all Macintosh computers.
- Linux:
  - Free operating system developed by Linus Torvalds.
Operating systems for mobile devices include:
- Android:
  - Most common mobile OS for phones and tablets.
- Apple iOS:
  - Used on iPhone and iPad.

B. Utility Software

Utility software is used to analyze, configure, optimize, and maintain the computer. Examples include:
- Anti-virus software
- Backup software
- Disk compression tools
- File manager applications.

Summary