Operating System (OS)
Banker's algorithm for resource allocation deals with

deadlock recovery
mutual exclusion
deadlock prevention
None of these
deadlock avoidance

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Operating System (OS)
Addressing modes

defines the fundamental method of determining effective operand addresses
All of these
None of these
are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.

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

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

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