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Explain the Fork Function Fork function causes a new process to be created. The calling progress is duplicated as an exact copy (called the child process) that differs only in
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
Applications allocate memory in terms of the number of bytes that they need, but this level of granularity is too ?ne-grained for the operating system to manage the system memory i
What is input output operation ?
1. What must a kernel provide for an effective user-level thread implementation? 2. With respect to the quantum q in a scheduling algorithm, explain and discuss the impact of the
my Operating System is windows trust but when the windows start say its windows xp. help pleaes
Additional-reference-bits algorithm We can keep an 8-bit byte for every page in a table in memory. The operating system shifts the reference bits right 1 bit, discarding the lo
. A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper
What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is
basic advantage of using interrupt initiated data transfer over transfer under program control without an interrupt
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