Applications are programs written to carry out a specific task or set of tasks, for example: word processors, spreadsheets, accounting packages, media players and games.
Types of applications software
Applications come in several different  types:
Utility programs - examples include virus scanners,  disk  defragmenters and backup utilities. 
Generic - general purpose software  that is not written for any particular type of business. Examples of  this include word processors and spreadsheets.
Integrated  - a collection of software that has a common set of commands/icons.  Usually they include word processors, spreadsheets and graphics software,  but they can contain databases as  well. They tend to be cheaper than purchasing each application  separately.
Specific - software written for a  defined purpose. Accountancy software is a good example of this that can  be bought by anyone.
Bespoke - bespoke software is written when a company requires a piece of software to perform a very specific task or function and there's no existing software that does what they need. It can be very expensive.





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