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Explain Structure
The Grammar for programming language is a formal description of Structure
What are the four necessary conditions of deadlock prevention? Ans: Four essential conditions for deadlock prevention: a. The meaning of removing the mutual exclusio
What is Belady's anomaly When plotting on a graph the page faults versus the number of available frames. We notice that the number of faults for four frames is greater than th
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
SSTF (Shortest Seek Time First) After a demand go to the closest request in the work queue regardless of direction Decrease total seek time compared to FCFS Disadv
What are the typical elements of a process image? User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified. User
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
What is single and multithreading and thread pool?
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
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
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