ICT AS Level Software AQA

SOFTWARE

TWO TYPES

APPLICATION SOFTWARE

SYSTEM SOFTWARE

APPLICATION SOFTWARE

Open source

Off the shelf

Bespoke

Word processing

Spreadsheets

Databases

Presentation

Video editing

Image creations

OPEN SOURCE

Usually free

Alter source code

Difficult for new users

Upgrades yourself

OFF THE SHELF

Buy it

Graphical user interface (GUI)

Help desks

User guides

Forums

May not do everything you want it to do

BESPOKE

Ask for something to be made

Charge you to get help

SYSTEM SOFTWARE

Operating system

Utility systems

OPERATING SYSTEM

Allows applications software to communicate with the hardware

Graphical user interface (GUI)

Command line

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.

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.

UTILITY SYSTEM

Utility software is system software designed to help analyse, configure, optimize or maintain a computer.

Disk defragmentation

Anti-virus

Compression

Zipping

Firewalls