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) (i) What is a microkernel? Describe the benefits of using microkernels.
(ii) How does a microkernel-based operating system differ from a traditional operating system?
(iii) Give examples of O.S that fall into the two above categories.
(b) (i) Many security researchers have assumed that criminals would focus their attacks on cryptanalysis. List at least 2 reasons why this is rarely true, explain their significance, and give an example that illustrates each.
(ii) Explain what is security policy and what are the corresponding mechanisms in the case of a multi-user operating system such as UNIX.
(c) (i) List the sequence of basic operations that make up a server process in the basic client-server model. (For the purposes of this question, you can ignore the need to establish a connection across a network, and assume clients are already connected to the server).
(ii) How does the client process implement the request/reply timing with this server process?
(d) What are the major issues that need to be addressed in designing a distributed operating system?
Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap
Explain the various methods for handling deadlocks. A set of processes is deadlocked if every process in the set is waiting for an event that only a process in the
LRU page replacement In slightest recently used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an
What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name explain a pa
A daemon is a process that removes itself from the terminal and disconnected, executes, in the background, waiting for requests and responding to them. It may also be described as
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
Ask using a laballed diagram explaining the architecture of windows operating ststem
Explain Rehashing to Handle Collision Rehashing: Re-hashing schemes make use of a second hashing operation while there is a collision. If there is an additional collision, we
advantages and disadvantages of kernal level thread
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