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What is multi-tasking, multi-programming,multi-threading?
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Answer Posted / prasant ku sahoo
Multi-threading is the programming model in which more than
one execution control exit simultaneously where as
multitasking is the ability to handle multiple job at a time
but multi-programming is the programming environment in
which more than one program reside in the primary memory
| Is This Answer Correct ? | 8 Yes | 1 No |
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What are the states of a process?
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 Explain booting the system and bootstrap program in operating system. What are the 3 types of operating systems? What is the important aspect of a real-time system? What is the difference between 16 bit and 32 bit? What are overlays? What is the main difference between wait() and sleep() method? How can a ddr1 ram be identified from a ddr2 ram module physically? Is faster ram worth it? what is the memory wall problem? What is asymmetric clustering? Define scheduling in OS. How do I use i3? Describe the Operating System concept of Segmentation
