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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 the total number of bytes transmitted, separated by the time among the first request for service and the completion of the last transfer.
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
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
Question 1: a) State the different file attributes and briefly explain the operations that can be performed on each files. b) What is a semaphore? Describe why it is impor
What are the various categories of software? System software Application software Engineering/Scientific software Embedded software Web Applications Artificial I
Ask quesIn JavaScript, what is event handling tion #Minimum 100 words accepted#
USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th
Q. What system calls have to be implementing by a command interpreter or shell in order to start a new process? Answer: In the UNIX systems a fork system call followed by an ex
What is a multiprocessing system? Multiprocessor systems are those systems that use additional than a single processor for program execution. It is done for raising the executi
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
list the prevention of mechanism for race condition with operating system
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