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!
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be.
a. Explain the protection problems that could arise.
b. Suggest a scheme for dealing with every of the protection problems you named in part a.
Answer:
a. One piece of information reserved in a directory entry is file location. If a user could alter this location then he could access other files defeating the access-protection scheme.
b. Don't allow the user to directly write onto the subdirectory. Rather offer system operations to do so.
Difference between cache and associate memory
we need an information about the different graph directory systems in detail by using shell sort . we also application part of directory systems in practical life. please help us i
Explain a boot control block A boot control block can have the information required by the system to boot an operating from that partition. If the disk does not have an operati
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
Optimal page replacement An optimal page replacement algorithm has the least page fault rate of all algorithms. The algorithm states that a 'replace the page that will not be
Define busy waiting and spinlock. When a process is in its significant section, any other process that tries to enter its critical section must loop continuously in the entry c
what is deadlock
Q. What is Multiprogramming? Multiprogramming When two or more programs are in memory at the same instance, sharing the processor is referred to multiprogramming opera
Define Name of some language processors? Name of some language processors are as follow: Assembler, Compiler and Interpreter
Write a XML with database with book details (BOOK ID, Title, Author, subject, publisher year, language, vendor, and price)
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