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Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores.
Semaphore definition
Usage for mutual exclusion and process synchronization
Implementation to avoid spinlock using block and wakeup
Binary semaphores
VoIP (Voice over Internet Protocol), also called Internet telephone, was once a novelty on the Internet, but not very useful because of all the problems with poor voice quality and
Question: a) Each process is represented in the operating system by a process control block (PCB). The PCB contains many pieces of information associated with a specific proce
What are the various layers of a file system? The file system is composed of many dissimilar levels. Each level in the design uses the feature of the lower levels to make new f
Difference between cache and associate memory
what are disadvantages of using single directory
what is unbounded buffer
what is a batch system give me answer in simple words so that i can understand
Consider the following snapshot of a system, answer the following questions using the banker's algorithm: 1. What is the content of the matrix Need? Is the system in a safe stat
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Define rotational latency and disk bandwidth. Rotational latency is the additional time waiting for the disk to rotate the wanted sector to the disk head. The disk bandwidth is
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