Term
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Definition
| software, consisting of programs and data, that runs on computers, manages computer hardware resources, and provides common services for execution of various application software |
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Term
| What are the major operating systems for personal computers? |
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Definition
- Microsoft Windows
- Mac OS
- UNIX
- Linux
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Term
Functions of an operating system
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Definition
- Processor management
- Memory management
- Input/output management
- File management
- Establishment and enforcement of a priority system
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Term
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Definition
| Assignment of processor to different tasks being performed by the computer system. |
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Term
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Definition
| Allocation of main memory and other storage areas to the system programs as well as user programs and data. |
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Term
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Definition
| Co-ordination and assignment of the different output and input device while one or more programs are being executed. |
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Term
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Definition
| Ensures that files in secondary storage are available when needed. Manages reading and writing in the file system and they are protected from access by unauthorized users. |
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Term
Establishment and enforcement of a priority system |
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Definition
| Determines and maintains the order in which jobs are to be executed in the computer system. |
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