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What is a semaphore?
A semaphore 'S' is a synchronization tool which is an integer value that, apart from initialization, is accessed only by two standard atomic operations; wait and signal .Semaphores can be used to deal with the n-process critical section problem. It can be also used to resolve various Synchronization problems.
What is preallocation? Why do it? Allocating space for a file before making the file to allow for expansion. This reserves space for a certain file so that other files can't gr
What is parsing Parsing is the procedure of analyzing a text, made of a sequence of tokens, to define its grammatical structure regarding to a given formal grammar. Parsing is
Let us consider the operation of the EPROM device in more detail. Consider the pining details below again Before we examine the interface means of the EPROM, it is worth
What is paging? Paging is a memory management scheme that authorizes the physical-address space of a process to be noncontiguous. Paging evades the considerable problem of fi
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Difference between cache and associate memory
What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
Questiion 1 What is RTOS? What are its requirements? Questiion 2 Explain the structural elements of a real time system mode Questiion 3 What is kernel? Explain abo
Explain the Sleep (ms) Function This call places the current thread in a suspended state for the number of milliseconds passed as the parameter (ms). After that Windows NT wil
properies of Batch oriented and interactive operating system.
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