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Software

Software                                                                                                       
The sequence of instructions that run on the hardware and perform some task.

System Software
A set of programs that operate the hardware and allow programs to perform more efficiently. E.g. Operating System

Operating System
A program layer that allows application software to have a standardized interface, with the hardware as this differs between computer manufacturers.

Application Software

A set of programs or instructions that run on the hardware that allow the user to achieve some task.

Type

Example

Users

Task

 

 

 

 

General / Generic

Word Processor
Spreadsheet
Presentation

Many

Many

 

 

 

 

Special (Specific)

Payroll

Many

One

 

 

 

 

Bespoke (Custom)

Air Traffic Control
Congestion Charge

Bike Hire

One

One


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