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
Library programs are a compiled collection of subroutines
Translator software
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.
categories of Application software
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
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.
Advantage | Disadvantages |
Software is built for and will meet your precise needs | Software will be expensive as you have to cover all of the production costs |
It may take some time to develop the software | |
The software is more likely to be buggy as it probably won't have thousands of clients using and testing it |
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