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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
Q. Consider a system that holds 5000 users. Presume that you want to allow 4990 of these users to be able to access one file. a. How would you denote this protection scheme in
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
What is monolithic and its diagram
Discuss the high barriers to entry in the market for PL operating systems
Explain the Resource Ownership and Control Operating systems are required to handle many different types of resources. CPU , memory, and I/O devices are some of the varied sys
what is the use of valid invalid bits in paging
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
case study:interprocess communication
Which are the different states of a process? Different status of a process is: New: When the process is created. Running: When instructions are executed. Wait
Advantages and disadvantages of time-sharing operating system
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