Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Question:
(a) Modern processors operate in one of two modes: one for the operating system and one for applications. What is the purpose of having these two modes?
What are the usual mechanisms for switching from system mode to application mode, and vice versa?
(b) (i) Compare UMA (Uniform Memory Access) and NUMA (Non Uniform Memory Access) Microprocessor System.
(ii) What is the cache coherency problem in a multiprocessor environment?
(c) Discuss the following multiprocessor scheduling strategies Space Sharing Gang Scheduling.
(d) Three source files normally take 10 seconds, 18 seconds and 30 seconds respectively to compile by themselves on one processor in a processor pool. How long should it take to compile all the files using two processors? Explain what is liable to limit the time attainable for a parallel compilation, especially as the number of compilations increases.
(e) Steaming audio or video services are usually implemented over UDP instead of TCP. Assuming that both impose roughly the same computational burden on the processor, explain why this is the case?
What is a reference string? An algorithm is evaluated by running it on a particular string of memory references and computing the number of page faults. The string of memory re
Determine a component of a process precedence sequence Process name, Sequence operator ‘;’ and Concurrency operator ‘,’
While it is hard to resolve a deadlock which has been detected, fortunately it is fairly easy to prevent deadlocks from ever happening. The key is that the conditions above for dea
Contiguous allocation The contiguous-allocation method needs each file to occupy a set of contiguous blocks of the disk. Disk addresses explain a linear ordering on the disk. T
Single level directory: This is the easiest directory structure. All the files are controlled in the same directory, which is simple to support and understand. Few of the li
What are the objectives and functions of operating system? Functions of operating systems 1. It allocates the resources and acts as a supervisor. 2. It hides th
Q. Explain about Deadlocks? Deadlocks for (int i = 0; i // first find a thread that can finish for (int j = 0; j if (!finish[j]) { boolean temp = true; for
write a linux command to display lines from 25 - 45 of directory "/edc/password"
Define the Server Communications Module or SCM The Server Communications Module (SCM) performs many necessary functions. The SCM responsible for establishing, maintaining, and
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd