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!
Buddy system of memory allocation
Free memory is used to maintain in linked lists, each of similar sized blocks. Every block is of size 2^k. When some memory is needed by a thread, the block part of next higher order is selected, and divided into two. Note that the two such pieces different in address only in their kth bit. Such pieces are known as buddies. When any used part is freed, the OS examines to see if its buddy is also free. If so, it is reconnected, and sends into the original free-block linked-list.
Q. Several CPU-scheduling algorithms are parameterized for instance the RR algorithm requires a parameter to indicate the time slice. Multilevel response queues require parameters
Explain hierarchy level directory
Q. In following Section we mentioned that disabling interrupts frequently could affect the system's clock. Describe why it could and how such effects could be minimized.
What factors are involved in choosing the host operating system?
Windows admin need it Project Description: We want to protect an executable on operating system level , so the process could be visible among all users while the executable r
Second chance Algorithm When the page is chosen the reference bit is checked to see whether it has been referenced before. If that is the case after that it is given a second c
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
What are the multithreading models? There are three models:- a) Many-to-One model b) One-to-One model c) Many-to-Many model
what is the use of valid invalid bits in paging
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
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