What is the purpose of an Operating System?
The purpose of the operating system is to provide an interface that will allow the user to interact with the computer.
What is a user interface?
The user interface allows the user to interact with the computer.
Can you name 3 functions of an operating system?
User management
Device Drivers
Memory Management
File Management
What is the purpose of Utility software?
The purpose of the utility software is to maintain and optimise the performance of the computer.
Can you name utilities beginning with A,B,C,D,E and F?
Anti-virus
Backup
Compression
Defragmentation
Encryption
Firewall
What is applications software?
Software that is designed to perform a specific end user task.
What software would be used for storing and manipulating data?
Database software
What software would be used to display data in a grid and use formulas to manipulate data?
Spreadsheet software
What software would be used to show information in a slide show?
Presentation Software
What software would be used to design items such as posters and leaflets for printing?
Desk Top Publishing Software
What software allows users to create, edit and format written documents.
Word Processing Software
What is Proprietary Software?
Proprietary software is software that is owned by one person/organisation and they have exclusive control over it.
What is open source software?
Open-source software allows users to access the source code and modify the software to meet their needs.
What are the benefits of open source software?
Source code can be shared and modified.
Very little or no upfront costs.
What are the drawbacks of open source software?
Very little professional and technical support and no user manuals to troubleshoot.
What are the benefits of proprietary software?
Professional and technical support available. User manuals provided for troubleshooting.
What are the drawbacks of proprietary software?
Source code cannot be modified.
Can be costly to buy a license.
