1. DEFINITION
1.1. Series of instruction that tells a computer what tasks to perform and how to perform them
1.2. TYPES
1.2.1. System Software
1.2.2. Application Software
2. SYSTEM
2.1. DEFINITON :Consists of the programs that control or maintain the operations of the computer and its devices
2.2. TYPES
2.2.1. Operating system
2.2.2. Utility Program
3. OPERATING SYSTEM
3.1. DEFINITION: An operating system (OS) a set of programs containing instructions that work together to coordinate all the activities among computer resources
3.2. TYPES
3.2.1. Stand Alone Operating System
3.2.2. Server Operating System
3.2.3. Mobile Operating System
3.3. FUNCTION
3.3.1. Start and Shutdown a Computer
3.3.2. Provide a user interface
3.3.3. Manage Program
3.3.4. Manage Memory
3.3.5. Coordinate Task
3.3.6. Configure Device
3.3.7. Establish an Internet Connection
3.3.8. Monitor Performance
3.3.9. Provide File,Disk and System Management Tools
3.3.10. Automatically Update
3.3.11. Control a Network
3.3.12. Administer Security
4. UTILITY PROGRAM
4.1. FUNCTION: Utility program is a type of system software that allows a user to perform maintenance-type task
4.2. TYPES
4.2.1. File Manager
4.2.1.1. To provide routine file management tasks
4.2.2. Disk Cleanup
4.2.2.1. Searches and removes unnecessary
4.2.3. Compression Tools
4.2.3.1. To reduce the size of a files
4.2.4. Anti-Virus Program
4.2.4.1. To protect,search and remove viruses from the computer
4.2.5. Spyware Remover
4.2.5.1. To detects and deletes spyware
4.2.6. Disk Defragmenter
4.2.6.1. To reorganizes the files and unused space on computer hard disk
4.2.7. Backup and Restore
4.2.7.1. A restore utility reverses the process and returns backed up files to their original form
5. DEFINITION APPLICATION SOFTWARE
5.1. Consists of programs designed to make users more productive and assist with personal tasks
6. USAGE
6.1. Make business activities more efficient
6.2. Assist with graphics and multimedia projects
6.3. Support home,personal and educational tasks
6.4. Facilitate communications
7. TYPES APPLICATION SOFTWARE
7.1. WORD PROCESSING
7.1.1. Allows users to create and manipulate documents such as letters,memos,reports,mailing labels and newsletter
7.1.1.1. Proprietary Software
7.1.1.1.1. Microsoft Office Word
7.1.1.1.2. Pages(Apple)
7.1.1.2. Open Source Software
7.1.1.2.1. OpenOffice.org Writer
7.1.1.2.2. KWord
7.2. SPREADSHEET
7.2.1. Allows users to organize data in rows and columns and perform calculations
7.2.1.1. Proprietary Software
7.2.1.1.1. Microsoft Office Excel
7.2.1.1.2. Numbers (Apple)
7.2.1.2. Open Source Software
7.2.1.2.1. OpenOffice.orgCalc
7.2.1.2.2. KCells
7.3. DATABASE
7.3.1. Allow users to create,access and manage database
7.3.1.1. Proprietary Software
7.3.1.1.1. Microsoft Office Access
7.3.1.1.2. Oracle DB
7.3.1.2. Open Source Software
7.3.1.2.1. OpenOffice.org Base
7.3.1.2.2. MariaDB
7.4. PRESENTATION
7.4.1. Allow users to create visual aids for presentations to communicate ideas,messages and other information to a group
7.4.1.1. Proprietary Software
7.4.1.1.1. Microsoft Office Powerpoint
7.4.1.1.2. Keynote (Apple)
7.4.1.2. Open Source Software
7.4.1.2.1. OpenOffice.org Impress
7.4.1.2.2. Showcase