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Answer Posted / ramya
Five types
Real time os
Distributed os
Multi user and single user
Multitasking and single tasking
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Mention the steps involved in the execution of a program.
Explain cycle stealing?
How do I find system information?
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 What is the multi-treade and models (explain each models)? What is load sharing in operating system (os)? Is intel core i5 64 bit or 32 bit? Explain the functions of the cu and alu in the cpu of a computer. what is the relationship between page size and page table? Describe Banker’s algorithm Explain the concept of the distributed systems? Why are wait states used? What is the purpose of system calls? What is a long term scheduler & short term schedulers? What kind of operations are possible on a semaphore?
