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Cards in this deck (9)
- 1Purpose of Operating SystemLinks hardware to software and provides an UI
- 2Functions of an operating SystemFiles
Memory
Security - 3OS Security MethodsEncryption -> storing information in a form readable only by the intended person
Usernames and Passwords -> allows different levels of access for different users - 4InterruptsHardware -> Printer out of paper etc Software
- 5Why do we need interrupts?To stop running processes when an error occurs
- 6Explain the Interrupt steps of a paper that has run out of paper1. Send interrupt OUT of PAPER to PC
2. OS Notifies User, User fills printer
3. Printer sends signal that it is now ready` - 7Code LevelsHigh Level
Assembly code
Machine Code
Hardware - 8Types of High Level CodePython, Java
- 9—
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- Flashcards on Untitled, created by 12.robinson on 04/12/2015.
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- 12.robinson
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