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Operating System MCQ Question with Answer

Operating System MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 36
In_________________ model, when a process does a release access, the contents of all the modifications are not immediately sent to other nodes but they are sent only on demand.

Release Consistency Model
Lazy Release consistency model
Weak Consistency Model
Processor Consistency Model

Question No : 37
The name services of DCE include ________

the Cell Directory Service
the Global Directory Service
the Global Directory Agent
A,B and C

Question No : 38
IPC stands for _________

Integrated parallel communication
Intermediate process call
Internal program call
Inter process communication

Question No : 39
In the case of____________, message remains in the senders address space until the receiver executes the corresponding receive.

No buffering
Single message buffering
Unbounded-capacity buffer
Finite bound buffer

Question No : 40
Which buffering strategy is used for implementing synchronous communication?

Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.

Question No : 41
What do you mean by 0-reliable level in multicast communication?

Multiple responses is expected from any receivers.
No response is expected from any receivers.
Multiple responses is expected from multiple receivers.
A multicast message is received by all the members of the group or none.

Question No : 42
In _______, if a processor writes the value 100 to the memory location x, this write operation will only change the contents of its local memory and will not affect the contents of the memory of any other processor.

Tightly coupled systems,
Loosely coupled systems
Parallel processing systems
File management system

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