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List disadvantages of using a single directory.
Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each others' work.
what is independent process? distinguished between independent process and co-operating process
Write a short note on PCB? Every process is represented in the operating system by a process control block also called a task control block. It contains more information regard
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
What is named pipes?
Briefly discuss on page replacement? Page replacement approach is fixed as follows. If no frame is free, we search one that is not presently being used and free it. We can fre
Q. Why might a system utilize interrupt-driven I/O to manage a single serial port however polling I/O to manage a front-end processor such as a terminal concentrator? A
Determine the task of the Pass II In a two-pass assembler Synthesize the target program is the task of the Pass II
how does DMA increase system concurrency
How can a user program disturb the normal operation of the system? a) Issuing illegal I/O operation. b) By accessing memory locations within the OS itself. c) Refusing to
Q. What is the use of the command interpreter? Why is it generally separate from the kernel? Answer: It reads commands from the user or else from a file of commands and execu
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