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Q. Distinguish among PCS and SCS scheduling.
Answer: PCS scheduling is completed local to the process. It is how a thread library schedules threads onto available LWPs. SCS scheduling is the circumstances where the operating system schedules kernel threads. On systems utilizing either many-to-one or many-to-many the two scheduling models are fundamentally different. On systems utilizing one-to-one PCS and SCS are the same.
What do you mean by semaphore? Semaphore : A synchronization variable that acquires on positive integer values. Invented by the Dijkstra P (semaphore): an atomic proce
Give a brief introduction about the operation of your program and show that you understand the idea behind threads and mutual exclusion variable. Why do we need to use mutual exclu
What is input output operation ?
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
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Q. Explain the actions taken by a kernel to context switch between kernel level threads. Answer: Context switching among kernel threads classically requires saving the value
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
What do you mean by first fit? First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous f
Discuss the role of discovery and developmental prototypes in defining requirements for this project.Are throwaway prototypes appropriate, or should the project team quickly gather
The dynamic memory allocator is a layer between the application and the OS, managing heap objects. When a program requests memory from the allocator (via malloc(), for instance), t
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