Operating System - Topic Wise Multiple Choice Questions (MCQ)
Topic Wise Tenses Operating System MCQ for competitive exam Practice OS Multiple Choice Questions for IBPS SSC Online Test Private Job Interview
6 )
What are important step followed when recovery from failure happens?
Post repairing integration with main system should happen smoothly and gracefully ✔
Upon link failure both parties at end must not be notified
Fault recovery system must me adjusted
Failures are logged systematically
None of these
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7 )
What are characteristics of Distributed Operating system?
Users are aware of multiplicity of machines
Access is done like local resources ✔
Users are aware of multiplicity of machines
They have multiple zones to access files
None of these
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8 )
What is basic need in protecting memory in multi-user environment?
We need two registers one start and other end
We need a variable register
A fence register has to be used known as base register ✔
None of these
All of these
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9 )
All the changes that were done from a transaction that did not commit before the system crashed, have to be _________
saved
saved and the transaction redone
undone ✔
Both A & B
none of these
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10 )
A circular buffer:
writes to the end of its space and then continues at the beginning ✔
overwrites older values as it goes
overwrites current values
all of these
none of these
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