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 MFD
how to solve queing theory step by step
Q. How does NTFS handle data structures? How does NTFS recover from a system crash? What is guaranteed after a recovery takes place? Answer: In NTFS all file-system data stru
A page fault causes the following sequence to occur. 1. Trap (shut in) to the operating system. 2. Save the process registers and process state. 3. Verify that the interr
how is it possible
The questions ask List four major functions of an OS. My answer: Function 1: Provide a user interface Function 2: Manage files Function 3: Manage hardware Function 4: Manage appli
Priority Scheduling leads to the risk of starvation: a process is ready, but never is given the processor. Some preemptive priority schedulers therefore reserve a fraction of the p
Declare some Applications of Open Source Systems • Finance • Educational • Data Storage and Management • ERP (Enterprise Resource Planning) •File Sharing & FTP
What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware
Q. Give the reasons why Windows XP, Solaris and Linux implement multiple locking mechanisms. Explain the circumstances under which they use mutexes, spinlocks, semaphores, adaptiv
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: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd