System Software & Application Software (Cambridge (CIE) IGCSE Computer Science): Revision Note
Exam code: 0478 & 0984
System Software & Application Software
Software can be broken down in to two categories, system and application software
What is system software?
System software is software essential for the operation of the computer system
It gives users a platform to run applications and carry out tasks
Examples of system software include:
Utility software
Utility software
Utility software is software designed to help maintain, enhance and troubleshoot/repair a computer system
Designed to perform a limited number of tasks
Interacts with the computers hardware, for example, secondary storage devices
Some utility software comes installed with the operating system
Examples of utility software and their function are:
Defragmentation (maintain)
Compression (enhance)
Encryption (enhance)
Task manager (troubleshoot/repair)
What is application software?
Application software (abbreviated 'apps') is software chosen by a user to help them carry out a specific task
Installed on top of system software and is user-chosen to best suit individual requirements
Common categories of application software include:
Productivity - get things done efficiently (word processors, spreadsheets & presentation)
Communication - stay connected (email, browser, messaging)
Entertainment - Watch movies, play games or listen to music
Examiner Tips and Tricks
Don't use brand names; the exam paper tells you not to. Write "word processor", not "Microsoft Word".
When asked for the difference between system and application software, describe what each does. Giving an example of each is not a difference.
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