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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 code. This is called as busy waiting and this type of semaphore is also called a spinlock, due to the process while waiting for the lock..
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
Dynamic scheduling : The number of thread in a program may be changed during the course of operation. Dynamic priority scheduling is a kind of scheduling algorithm in which the pr
How does user specify block to be fetched in direct access? By specifying the relative block number, relative to first block in file, which is block 0.
Q. Explain application of consumer behaviour? Consumer behaviour is described as the dynamic interaction of affect and cognition and behaviour and the environment by human bein
An operating system provides the environment within that programs are executed. Internally operating systems differ greatly in their makeup because they are organized along many di
Question: (a) Distinguish between local and active directory Group Policy in Windows Server 2008? (b) Describe the three areas of account Policies that can be managed thro
Explain the Real Time Operating System A real-time operating system comprises definite, fixed time constraints. Processing should be done in the defined constraints, or the sys
whats the problem in two state model ?
Describe paging technique used in UNIX systems. When a process begin in UNIX, not every its memory pages are read in from the disk at once. In its place, the kernel loads into
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