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Define semaphore
A semaphore is a protected abstract or variable data type that constitutes the classic method for restricting access to shared resources like shared memory in a parallel programming environment.
Problem 1. What is kernel? What are the main components of a kernel? Defining Kernel Explaining Main components of Kernel 2. What is mutual exclusion? What are i
What are conditions under which a deadlock situation may arise? A deadlock situation can arise if the following four conditions hold simultaneously in a system: a. Mutual ex
a program that can do cpu scheduling algorithm priority using javascript or php to display gaant chart and calculate waiting and average waiting time
Q. Explain the booting process for a Windows XP system? Answer: (1) Since the hardware powers on the BIOS begins executing From ROMand loads as well as executes the bootstrap
What are the services provided by the operating systems? Program Development It provides a variety of services and facilities, such as debuggers and editor, to help the
Explain the Architecting For Threads When available, threads are an integral part of any multitasking server application program. It is important that the operating system prov
factors that influences layout
discuss unsafe state in operating system
Define LRU Page Replacement Algorithm LRU policy: LRU expands to least currently use. This policy suggests which we re- move a page whose last usage is farthest from current ti
As we have discussed, page tables map virtual page addresses to physical page addresses. One of the advantages of using virtual addresses is that we can achieve complete separation
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