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What is the MFD? UFD? How are they related?
MFD is master-file directory, which points to the UFDs. UFD is user-file directory, which points to each of user's files.
Question: (a) Explain the similarities and differences between two different threads running in the same process and two independent processes. When would you want to use two t
Assume that P A , P B and P C are three distinguished program s . When P A is executed, it needs 10 ticks to complete its execution and it forks new processes executing P B at tick
how response times are reduced by allowing time sharing on top of multiprogramming
To evade race condition, the maximum number of processes that may be at the same time inside the critical section is The maximum number of processes which may be at the same t
Q. Error detection in operating system? Error detection- Error detection take places at both the hardware and software levels. At the hardware level every data transfers must b
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
. Nested Macro calls are expanded using the
What is page fault? In the computer storage technology a page fault is an exception which is raised by the memory management unit when a requested page isn't mapped in physical
What is a two state process model? At any time a process is being implementing by a processor or not. Therefore a process may be in Running or not running state. When an Ope
What are the advantages of Indexed allocation? The benefits are a. No external-fragmentation problem b. Solves the size-declaration problems. c. Supports direct access
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