Explain briefly the working of semaphore with example ?, Explain briefly th...

Explain briefly the working of semaphore with example ? The E.W. Dijkstra (1965) abstracted the key idea of mutual exclusion in his concepts of semaphores. Definition A s

Application software, what is application software?

what is application software?

What is the purpose of system calls, Q. What is the purpose of system calls...

Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.

Define middleware to ease the low-level protocol burden, Define Middleware ...

Define Middleware to Ease the Low-Level Protocol Burden Fortunately, many products are available today to ease the low-level protocol burden on the application programmer. Midd

Explain operating systems for mainframe computers, What are the main differ...

What are the main differences between operating systems for mainframe computers and personal computers? The design goals of operating systems for those machines are quite diffe

Allocating new pages, Processes have valid and invalid entries on their pag...

Processes have valid and invalid entries on their page tables. The valid entries all point to some where "real" (e.g. a physical page, or some portion of disk in case of non-reside

What is the purpose of the command interpreter, What is the purpose of the ...

What is the purpose of the command interpreter? Why is it usually separate from the kernel? It reads commands from the user or from a file of commands and executes them, usuall

Explain optimal page replacement, Optimal page replacement An optimal ...

Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that a 'replace the page that will not be

Os structures, #question.explain varios types of system calls..

#question.explain varios types of system calls..

Buffering,