1. Utility Program
1.1. Type of Utility Program
1.1.1. File Manager
1.1.1.1. to provide routine file management tasks
1.1.2. Disk Cleanup
1.1.2.1. Searches and removes unnecessary files
1.1.3. Compression Tools
1.1.3.1. To shrinks the size of a file
1.1.4. Anti-Virus Program
1.1.4.1. To search, protect and remove virus
1.1.5. Spyware Remover
1.1.5.1. To search, protect and remove spyware
1.1.6. Disk Defragmenter
1.1.6.1. To reorganizes the files and unesed space on computer hard disk
1.1.7. Backup ans Restore
1.1.7.1. Backup that allows users to copy files to another storage medium in case of damage or lost
1.1.7.2. Restore utility reverses the process and returns backed up files to their original form
2. Operating System
2.1. Type Of OS
2.1.1. Stand Alone Operating System
2.1.1.1. Description
2.1.1.1.1. A complete OS that works on a desktop computer, notebook computer, or mobile computing device
2.1.1.2. Proprietary Software
2.1.1.2.1. Windows
2.1.1.2.2. Mas OS X
2.1.1.3. Open Source Software
2.1.1.3.1. Unix
2.1.1.3.2. Linux
2.1.1.3.3. Ubuntu
2.1.2. Server Operting System
2.1.2.1. Description
2.1.2.1.1. An OS that is designed to support a network
2.1.2.2. Proprietary Software
2.1.2.2.1. Windows Srever 2008
2.1.2.3. Open Source Software
2.1.2.3.1. Unix
2.1.2.3.2. Linux
2.1.2.3.3. Solaris
2.1.3. Embedded/Mobile Operating System
2.1.3.1. Description
2.1.3.1.1. AN embedded OS resides on a ROM chip on a ROM chip on a mobile device or consumer electronic device
2.1.3.2. Proprietary Software
2.1.3.2.1. Windoes Phone 7
2.1.3.2.2. iPhone OS
2.1.3.2.3. Windows Embedded
2.1.3.3. Open Source Software
2.1.3.3.1. Google Android
2.1.3.3.2. Embedded Linux
2.2. Function of OS
2.2.1. Shut and Shutdown a Computer
2.2.1.1. Definition
2.2.1.1.1. The process of starting or restarting a computer is calling booting
2.2.1.2. Cold boot
2.2.1.2.1. Turning on a computer that has been powered off completely
2.2.1.3. Warm boot
2.2.1.3.1. Using the OS system to restart a computer that already powered on
2.2.2. Provide a user interface
2.2.2.1. A user interface controls how you enter data and instructions and how information is displayeg on the screen
2.2.3. Manage program
2.2.3.1. How an OS handles programs directly affects your productivity
2.2.4. Manage memory
2.2.4.1. OS allocates data and instructions to memory
2.2.5. Establish an Internet Connection
2.2.5.1. OS typically provide a means to establish Internet Connection
2.2.6. Monitor Performance
2.2.6.1. A program that assesses andc reports information about various computer resources and devices
2.2.7. Control a Network
2.2.7.1. OS are designed to work with a server on a network
3. Application Software
3.1. Definition
3.1.1. Consists of programs designed to makae users more productive and or assist with personal tasks
3.2. Type of Application software
3.2.1. Web Browser
3.2.1.1. Software that allow users to access and interact with software from any computer ir device that is connected to the Internet
3.2.2. Word Processing
3.2.2.1. A software that allows users to create and manipulate documents
3.2.3. Spreadsheet
3.2.3.1. Allows users to organize data in rows and columns and perform calculations
3.2.4. Database
3.2.4.1. A collection of data organized in amanner that allows access, retrieval and use of that data
3.2.5. Presentation
3.2.5.1. Allows users to create visual aids for presentations to communicate ideas, messages, and other information
4. Categories software
4.1. Open Source Software
4.1.1. created by unpaid volunteers
4.1.2. freely
4.2. Proprietary Software
4.2.1. privately owned and limited to a specific vendor or computer model
4.2.2. license/paid
5. System Software
5.1. Operating System
5.1.1. Definition
5.1.1.1. Sets of programs containing instructions that work together to coordinate all the activities among computer hardware resources
5.2. Utilility Program
5.2.1. Definition
5.2.1.1. A type of system software that allows a user to perform maintenance-type task