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1. System Software

1.1. Operating System

1.1.1. Definition Set of programs containing instructions that work together to coordinate all the activities among computer hardware resources.

1.1.2. Types of operating software Stand alone Operating System Proprietary Software Open Sources Software Server Operating System Proprietary Software Open Sources Software Mobile Operating System Proprietary Software Open Sources Software

1.1.3. Function of Operating System Start and Shutdown a Computer Provide a user interface Manage Program Manage Memory Establish an Internet Connection Monitor Performance Control a Network

1.2. Utility Program

1.2.1. Definition Type of system software that allows a user to perform maintenance-type task.

1.2.2. Type of Utility Program File Manger ~Utility program that performs function related to file management Disk Cleanup ~Utility program that searches and removes unnecessary files Compression Tools ~Utility program that is use to reduce a file size. Anti-Virus Program ~Utility program that detects and deletes viruses. Spyware Remover ~Utility program that detects and deletes spyware Disk Defragmenter ~Utility program that reorganizes the files and unused space on computer hard disk so that the OS accesses data more quickly and programs run faster. Backup and Restore ~A backup utility allows users to copy files to another storage medium in case of damage or lost ~A restore utility reverses the process and returns backed up files to their original form.

2. Application Software

2.1. Web Browser software ~A software that allows user to access and interact with software from any computer or device that is connected to the internet.

2.1.1. Proprietary Software Internet Explorer Safari

2.1.2. Open Sources Software Mozilla Firefox Chrome

2.2. Word processing software ~A software that allows users to create and manipulate documents.

2.2.1. Proprietary Software Microsoft Office Word Pages (Apple)

2.2.2. Open Sources Software Writer KWord

2.3. Spreadsheet software ~Spreadsheet software allows users to organize data in rows and columns and perform calculations.

2.3.1. Proprietary Software Microsoft Office Excel Numbers (Apple)

2.3.2. Open Sources Software Calc KCells

2.4. Database software ~A database is a collection of data organized in a manner that allows access, retrieval and use of that data.

2.4.1. Proprietary Software Microsoft Office Access Oracle DB

2.4.2. Open Sources Software Base MariaDB

2.5. Presentation software ~Presentation software that allows users to create visual aids for presentations to communicate ideas, messages, and other information to a group.

2.5.1. Proprietary Software Microsoft Office PowerPoint Keynote (Apple)

2.5.2. Open Sources Software Impress Showcase

3. Definition

3.1. Consists of a series of related instruction, organized for a common purpose that tells the computer and its devices.