Download - ICT AS Level Software AQA
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SOFTWARE
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TWO TYPES
APPLICATION SOFTWARE
SYSTEM SOFTWARE
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APPLICATION SOFTWARE
Open source
Off the shelf
Bespoke
Word processing
Spreadsheets
Databases
Presentation
Video editing
Image creations
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OPEN SOURCE
Usually free
Alter source code
Difficult for new users
Upgrades yourself
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OFF THE SHELF
Buy it
Graphical user interface (GUI)
Help desks
User guides
Forums
May not do everything you want it to do
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BESPOKE
Ask for something to be made
Charge you to get help
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SYSTEM SOFTWARE
Operating system
Utility systems
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OPERATING SYSTEM
Allows applications software to communicate with the hardware
Graphical user interface (GUI)
Command line
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GRAPHICAL USER INTERFACEGUI is a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, as opposed to text-based interfaces, typed command labels or text navigation.
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COMMAND LINE INTERFACECLI is a user interface to a computer's operating system or an application in which the user responds to a visual prompt by typing in a command on a specified line, receives a response back from the system, and then enters another command, and so forth.
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UTILITY SYSTEM
Utility software is system software designed to help analyse, configure, optimize or maintain a computer.
Disk defragmentation
Anti-virus
Compression
Zipping
Firewalls