2_Software Classification_Presentation_1_variant_2

Software development trends

10.1.2.1 classify application software according to types, to methods of distribution

System software

A set of programs designed to control and manage the operations of the computer hardware.
The software allows application programs to execute properly

Utility programs
that include file management, copy, paste, delete, file searching, disk defragmenter, disk cleanup.

Library programs are a compiled collection of subroutines

Translator software
Assembler
Compiler
Interpreter

There are several different types of system software – You need to recall this information in the exam

Operating System - make the computer hardware conveniently available to the user and also hide the complexities of the computer's operation

Application software

Includes programs that do real work for the user. They are created to perform specific tasks for a user.

General Purpose software

This software is also called off the shelf. You can buy it at a shop or download it on line.

The software is written for a wide audience and not all of the features are used. The software is relatively cheap and usually well tested.

When giving examples
NEVER use brand and company names

Microsoft Word

Word processing

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Special Purpose software

Special purpose application software is a type of software created to execute one specific task. For example
Movie editor, sound editor, photo editor, web page design and development.
Tax calculating system for accountants
Computer aided design for graphic designers or architects

Bespoke software

Bespoke application software is tailor made for a specific user and purpose. For example a factory may require software to run a robot to make cars, however, it is the only factory making that car in the world, so the software required would have to be specially built for the task.