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- 1Functions of an operating systemFiles
Memory Allocation
Security - Usernames/passwords,
Encryption - 2OS Security MethodsEncryption-> storing information in a form readable only by the intended person
Usernames and passwords -> allows different levels of access for different users - 3interuptshardware -> printer out of paper ect
Software -> program has an error needs to close ect - 4why do we need interrupts?To stop running processes when an error occurs
- 5Explain the interrupts steps of a printer 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
4. OS reseeds Docs Printer restarts printing - 6Code levelsHigh Level
Assembly code
Machine code
Hardware - 7Types of high level CodePython, Java
- 8Translators are needed for?to convert Programming Code into Machine code (010101)
- 9what is the difference between a translatora Compile converts code before it is run.
A Translator converts it as it is entered - 10—
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- Fichas sobre Sin título, creado por 12.betts el 04/12/2015.
- Creado por
- 12.betts
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