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Define the DosSleep(ms) Function used in the os/2
DosSleep() suspends the currently executing thread for some time interval specified in the ms parameter. If a value of 0 is passed, DosSleep will perform an explicit thread switch and will be immediately rescheduled. If the thread issuing the DosSleep() is the highest priority thread in the system, it will not relinquish control to a lower priority thread. DosSleep() counts time, not real time as other operating systems do. As such, it should not be used as a real-time timing mechanism.
What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
Define multithreading The proficiency of an operating system to execute different parts of a program called threads simultaneously is called as multithreading. A thread is a fl
Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and
An analysis, which defines the syntactic structure of the source statement, is known as Syntax analysis defines the syntactic structure of the source statement
Determine the reasons for Poor response time Process busy or High I/O rates or High paging rates
Operating Systems 1. Explain Micro-kernel? Specify the benefits of Micro-kernel? 2. Describe seven state process models used for OS with necessary diagram. Differentiate bet
Define throughput? Throughput in CPU scheduling is the number of processes that are completed per unit time. For long processes, this rate might be one process per hour; for sh
Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose
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