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Explain multilevel feedback queue in detail
- number of queues
- scheduling algorithms for each queue
- method used to verify when to upgrade a process
- method used to verify when to demote a process
demonstrate ergonomics
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
Explain system-wide open-file and per-process open-file The system-wide open-file table have a copy of the FCB of each open file, as well as other information. The per-pr
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Enhanced Second chance algorithm In this a modify bit is as well used. Now if the ordered pair of reference and modify is (0,0) neither recently used nor modified - the best
what are the main advantages of multiprogramming
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
how do you calculate page faults
describe main points of multiuser and multi tasking operating systems.
with the aid of diagrams describe the following os structures monolithic , layered, client server
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