1. Types of Application Software
1.1. Web Browser
1.2. Word Processing Software
1.3. Spreedsheet Software
1.4. Database Software
1.5. Presentation Software
2. Types Of System Software
2.1. Operating System
2.1.1. Definition : An operating system (OS) is a set of programs containing instructions that work together to coordinate all the activities among computer hardware resources.
2.1.2. Types of OS
2.1.2.1. Stand alone Operating System
2.1.2.1.1. Unix , Linux , Ubuntu
2.1.2.2. Server Operating System
2.1.2.2.1. Unix , Linux , Solaris
2.1.2.3. Embedded / Mobile Operating System
2.1.2.3.1. Google Android , Embedded Linux , Symbian OS
2.1.3. Functiom of Operating System
2.1.3.1. Start and shutdown a computer
2.1.3.2. Provide a user interface
2.1.3.3. Manage Program
2.1.3.4. Manage Memory
2.1.3.5. Coordinate Task
2.2. Utility Program
2.2.1. Definition : Utility program is a type of system software that allows a user to perform maintainance-type task
2.2.2. Types of Utility program
2.2.2.1. File Manager
2.2.2.1.1. To provide routine file management tasks
2.2.2.2. Disk Cleanup
2.2.2.2.1. searches and removes unnecessary files
2.2.2.3. Compression Tools
2.2.2.3.1. To shrinks the size of a file
2.2.2.4. Anti-Virus Program
2.2.2.4.1. To protect a computer against viruses by identifying and removing any computer viruses found in memory, on storage media or incoming files
2.2.2.5. Spyware Remover
2.2.2.5.1. To detects and deletes spyware
2.2.2.6. Disk Defragmenter
2.2.2.6.1. To reorganizes the files and unused space on computer hard disk so that the OS accesses data more quickly and programs run fuster
2.2.2.7. Backup and Restore
2.2.2.7.1. A backup utility allows files to another storage medium in case of damage or lost.
3. Types Of Application Software
3.1. Web Browser
3.2. Word Processing Software
3.3. Spreadsheet Software
3.4. Database software
3.5. Presentation Software
4. DEFINITIOPN : Application consists of programs designed to make users more productive and/or assist with personal tasks
5. Categories Software
5.1. Open source software
5.1.1. Created by unpaid volunteers,begin to gauin
5.1.2. Freely
5.2. Ptopriety Software
5.2.1. privately owned and limited to a specific vendor or computer model
5.2.2. license/paid