A computer system is a collection of hardware and software components designed to provide an effective tool for computation. Computer system are used in every walk of life to assist us in the various tasks we perform. The wide availability of the internet has enhance the use of computer for information sharing and communication. Computer system allows us to store, process, display and communicate information. In any modern computer system even a simple one, in general needs several different programs in order to accomplish its various functions.

Sunday, August 21, 2016

Application programs

Software are programs written to perform specific tasks. For example, word processors are programs that the users use to write letters, papers and even books.

All software is written in programming languages. There are two types of programs: system programs and application programs.

Application programs or apps created to perform a specific user’s task. They are designed to perform certain functions either directly for their users or for the other application programs.

Applications programs use computer or mobile operating system services and other elated support programs. They can include an assortment of database programs, development tools, word processors, web browsers, image editing and other such functions.

Application programs produce output concerning the exterior world, while system programs produce output concerning the state of the computer system. Application programs may be written by users but more often are written by professional programs.

Most application programs for personal computers all into one of five major categories:
*Word processing
*Database management
*Spreadsheets
*Graphics
*Communications

When adequate application software can be purchased, programmers often modify it to their company’s specific needs.
Application programs

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