CHAPTER 2 : COMPUTER SOFTWARE

1. Categories Software

1.1. Proprietary software

1.2. Open source software

2. System Software

2.1. Operating system

2.1.1. Stand alone Operating System

2.1.2. Server Operating System

2.1.3. Mobile Operating System

2.2. Utility program

2.2.1. File Manager

2.2.2. Disk Cleanup

2.2.3. Compression Tools

2.2.4. Anti-Virus Program

2.2.5. Spyware Remover

2.2.6. Disk Defragmenter

2.2.7. Backup and Restore

3. Definition

3.1. Consists of a series of related instructions organizes for a common purpose that tells the computer what tasks to perform and how to perform them.

4. Application Software

4.1. Web Browser

4.2. Word processing

4.3. Spreadsheet

4.4. Database

4.5. Presentation

5. Function of Operating System

5.1. Start and Shutdown a Computer

5.2. Provide a user interface

5.3. Manage Program

5.4. Manage Memory

5.5. Establish an Internet Connection

5.6. Monitor Performance

5.7. Control a Network