Computer software part B
- 1. Computer Software Ehtasham Ul Haq Lecture N0 4 Govt.Collage Hayatabad
- 2. Software ? Computer Instructions or data, anything that can be stored electronically is Software. Examples:- Ms word, excel, power point, spread sheets, library management system etc.
- 3. Types of Software System Software Application Software
- 4. System Software The System Software consist of the Operating System and all the utilities that enable the computer to function. System software actually controls the hardware so that application software can perform any action or task. Example: Operating Systems, Compiler, Loader, Linker, Interpreter and etc
- 5. System Software In System software programs are designed to operate, control and enhances the processing capabilities of the computer System software is developed by computer manufacturer in low level language It also helps hardware components to work together and provide support for the development and execution of the application software Programs which are included in system software package are known as system programs and the programmers who develop those programs are known as system programmer
- 6. Types of System Software Operating System Utilities Device Drivers Language Translators
- 7. Types of System Software Operating System An operating system is software which manages computer hardware and software resources. It also provides common services to computer programs. The operating system is an essential component of the system software in a computer system. Application programs are dependent on operating system to function
- 8. Utilities Utilities software is system software which is manufactured to help ,analyze, configure, optimize or to maintain a computer. It also helps in maintenance and problem solving of a computer.
- 9. Device Drivers o o o Device driver is actually a communication device between device and computer It loads every time in memory When a new device is added the driver should be installed in order to run the program
- 10. Application Software: Application Software includes programs that do real work for user. Example: Payroll systems, Inventory Control, Manage student database, Word Processor, Spreadsheet and Database Management System etc.,
- 11. Application Software General Purpose Application software Special Purpose Application software
- 12. Application software General Purpose application software General purpose application software are programs that perform common information processing jobs for end users. A single software can be applied to a wide variety of tasks. These are divided into the following main categories A. Productivity software B. Business software C. Entertainment software D. Education software
- 13. Special propose application software The software that is designed to perform a specific task is know as special purpose application software is called custom software. The software can perform only one task for which it has been designed custom software. Example : software to process inventory control ,software to maintain bank account etc
- 14. Special propose application software A. Productivity software (Database software, Multimedia software ) B. Business software (marketing software , payroll system, accounting software ) C. Entertainment software (media player , video game) D. Educational software