Explain briefly what is meant by trap and a trapdoor?
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What is busy waiting?
Measurements of a certain system have shown that the average process runs for a time T before blocking on I/O. A process switch requires a time S, which is effectively wasted (overhead). The CPU’s efficiency is the fraction of its time its spends executing user programs, i.e., executing user processes. For round robin scheduling with quantum Q, give a formula for the CPU efficiency for each of the following: (a) Q = ∞ (b) Q > S + T (c) S <Q<S + T (d) Q = S
What causes a page fault?
List out some reasons for process termination.
How you can detect deadlock condition?
What is readers-writers problem?
What is the best way of communication in multi process environment? ex: getting log from different applications from multi servers?
When an input file is opened, what are the possible errors that may occur?
What is bursting?
How do I update in terminal?
What is Throughput, Turnaround time, waiting time and Response time?
Why is a single serial port managed with a single interrupt-driven i/o but a front-end processor is managed using a polling i/o, such as a terminal concentrator?