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15 Cards in this Set
- Front
- Back
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Operating System |
A piece of software that allows the user to interact with the hardware and software. |
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Functions of an Operating System |
Memory Management User Interface Multi-tasking Peripheral Management Security |
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Memory Management |
Allows the user to store data in the correct location (Ram, Cache, HDD) |
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User Interface |
This gives the user a visual display to navigate. |
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Multi-tasking |
Allows the computer system to run more than one program at a time. |
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Peripheral Management |
Allows adtional hardware to be added to the computer. Also, drivers are installed. |
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Security |
This prevents unwanted computers accessing the system. |
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Utility Software |
Pieces of software that perform specific tasks to help maintain the performance of a computer. |
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Security (What are the three security features of an operating system?) |
- Antivirus - Antispyware - Firewalls FAF |
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Disk Organisation (What are the three disk organisation features of an operating system?) |
- Formatting - File Transfer - Defragmentation FDF |
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System Maintenance (What are the three system maintenance features of an operating system?) |
- System Info and Diagnosis - System Clean-Up tools - Automatic Updating SAS |
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Custom Written Software |
Software that is created for a company, for a specific purpose. |
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Off-The-Shelf |
Software that can be brought from the shop, ready to install. |
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Open-Source |
In Open-source software, the source code can be changed. It is usually cheaper |
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Proprietary Software |
Software that is created by a company. A license must be bought. The user cannot change the functionality of the software. |
