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computer software

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computer software

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computer software

  1. 1. Computer SoftwareComputer Software
  2. 2. Software ?  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. 3. Types of Software  System Software  Application Software
  4. 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. 5. Types of System Software  Operating System  Utilities  Device Drivers  Language Translators
  6. 6. 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.,
  7. 7. Application Software  Categories of Application Software  Types of Application  Forms of Application Software
  8. 8. Categories of Application Software  Business Software  Graphic & Multimedia  Home / Personal / Education  Communication
  9. 9. Types of Application SoftwareTypes of Application Software  Proprietary  In-house  Contract  Off-the-shelf  Customized package
  10. 10. Forms of ApplicationForms of Application SoftwareSoftware Packaged Software  Custom Software  Web Application  Open Source  Shareware  Freeware  Public-domain Software
  11. 11. Application SoftwareApplication Software  Actually the application software consists of programs that are designed to make users more comfortable or productive to assist personal tasks  The application software is present on computer hard disk  Application software can also be stored on CDs, DVDs, and flash or keychain storage devices
  12. 12. Type Of Application SoftwareType Of Application Software  Proprietary o Proprietary software is a licensed software under exclusive legal right of owner.  In-house o In In-house software we develop application with the help of company resources  Off-the-shelf o An existing software program that can be used without any changes expected.  Contract o The software which is developed for a specific company for their requirement.
  13. 13. Form Of Application Software  Package software A software which is sold in a bundle due to similar function of programs.  Example o Microsoft office, windows Cd
  14. 14. Custom Software This is software which is specially made for an organization as per their requirement.  Example I. Attendance system II. Security code system.
  15. 15. Web ApplicationWeb Application A web application is any application that uses a web browser. Example I. Google docs II. Drop Box
  16. 16. Open source softwareOpen source software  Open source software is made available to every one and can be change, modify and distribute to public without any notification.  Example I. Linux II. Moodle III. Wordpress IV. Drupal
  17. 17. Free wareFree ware  Free ware is the software that is freely available to public but author has a copy right, means that you can only use it ,not sell it.  ExampleExample I. Antivirus
  18. 18. SHARE WARE  Share ware is actually delivered free of charge but some time the owner ask for money to get registered ,so that they can send updates in future. It can be copied but cannot be sold.  Example I. Dino Numbers II. Microsoft office
  19. 19. Public domain software  Public domain software is totally free and it is not copyrighted plus it have no restriction Example I. SQlite II. Blast III. I2P
  20. 20. 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 (Reference: wikipedea & itc lectures)
  21. 21. 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
  22. 22. 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.
  23. 23. Common types of utility programs  Hardware utilities  Virus-detection and recovery utilities  File-compression utilities  Spam and pop-up blocker utilities  Backup  Uninstall
  24. 24. Device Drivers o Device driver is actually a communication device between device and computer o It loads every time in memory o When a new device is added the driver should be installed in order to run the program
  25. 25. Features of System Software o Close to system o Fast in speed o Difficult to design o Difficult to understand o Less interactive o Smaller in size o Difficult to manipulate o Generally written in low level language

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