this is a collection of instruction, intended to produce a particular result
TRANSCRIPT
Software
This is a collection of instruction, intended to produce a particular result.
Software
There are two types of software:◦ System Software ◦ Application Software
Types of Software
System Software controls the operation of the computer itself.
System Software
Basic Input and Output Operating System Utilities Software Development
Types of System Software
This controls the operation of hardware items such as keyboard, mouse, USB flash drive, hard drive etc.
Basic Input and Output
This control the overall function of the computer, so that all parts work together, and you can start up applications software.◦ Windows 2000, XP, 7, 8, 10◦ Mac Os8, Mac Os10, System 7◦ ubuntu, Mint, OpenSUSE
Operating System
Windows 10example
Ubuntu
example
Mac OSXexample
Utilities are programs that carry out one specialist function, which help the computer to work smoothly.
Examples◦ Backups program◦ Antivirus◦ Disk clean up
Utilities
System software also include programs that allows you to create Application programs for specific operating system software.
Software Development
Application software enables the computer to perform some additional useful function.◦ Example: Microsoft word, Microsoft Excel,
Microsoft PowerPoint, Microsoft Access, Photoshop and etc.
Application Software
General Purpose Software Special Purpose Software Custom- written Software
Types of Application Software
This allows a wide range of activities to be carried out. This is very economical. It is the most commonly used software in the world.
An example is Microsoft word, which allow you to create different types of documents.
General Purpose Software
Customization – a company that cannot afford to have it’s own custom-written software might decide to customize a general purpose software.
Integration – Many Software companies offer groups of applications that can work together to offer a wide range of functions.◦ Example: Microsoft office(which include, Microsoft
word, excel, PowerPoint, publisher etc.)It is easy to copy information between them.
This is written to perform a single type of task. This is more expensive than General purpose software.◦ Architects use a program call AUTOCAD to create
building designs.
Special purpose software
This is created for a single customer by a computer programmer(or team of programmers). This is very expensive.
A large company such as a bank may have there own specially written software.
Custom written software
Click here
Activity
Draw a family tree for software◦ Example below
Activity 2