Operating System (OS)
Which is a permanent database in the general model of the compiler?

Terminal Table
Source code
Literal Table
None of these
Identifier Table

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Operating System (OS)
The necessary conditions needed before deadlock can occur?

Mutual Exclusion, No Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, No Preemption, Circular Wait
No Mutual Exclusion, Hold and wait, Preemption, Circular Wait
Mutual Exclusion, Hold and wait, Preemption, No Circular Wait

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Operating System (OS)
Page stealing

Is taking layer disk space for page in page out
Is taking page frame from other working sets
Should be the turning goal
Is a sign of an efficient system

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