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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.
Determine the equation for the y and truth table for the circuits
What are the main advantages of the microkernel approach to system design? Benefits typically contain the following (a) Adding a new service does not require modifying the
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cpu protection in linux
Semispace works by maintaining two disjoint areas from which memory can be allocated. These areas are called the from-space and the to-space. At ?rst, the algorithm allocates memor
why we say" OS is a resource allocator" and “OS is a control program"?
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
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Can you please explain in easy words how input output protection works
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
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