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Operating System Quiz 1 part 2

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Title of test:
Operating System Quiz 1 part 2

Description:
Operating System Quiz 1

Author:
AVATAR

Creation Date:
18/01/2020

Category:
Computers

Number of questions: 10
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Content:
Ability to run multiple programs .
Logical extension of multiprogramming .
If there are no processes to execute, no I/O devices to service, and no users to whom to respond, an operating system will sit quietly, waiting for something to happen .
Provides distinction between the execution of operating-system code and user-defined code.
Allows OS to maintain control over the CPU by not allowing a user program to get stuck in an infinite loop or to fail to call system services and never return control to the OS.
Passive entity, like the contents of a file stored on disk .
Needs resources to accomplish its task: CPU time, Memory, files, I/O devices .
Has one program counter, specifying the location of the next instruction to execute .
Has multiple program counters.
Access control determines which user may access a file and how that user may access it .
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