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!
Implementing Protection with Virtual Memory - computer architecture:
To enable the operating system to implement protection in the VM system, the HW have to:
I. Support at least 2 modes that denoted whether the running process is a user process (executive process) or an operating system process (kernel/supervisor process).
II. Provide a part ion of the CPU state that a user process may read but not write (includes supervisor mode bit).
o Only operating system process may change page tables. Page tables are held in operating system address space thereby preventing a user procedure from changing them.
o When processes desire to share information in a restricted way, the OS have to assist them.
o The write access bit (in both the TLB and the page table) can be used to limit the sharing to only read sharing.
Q. Writing down your own Interrupt Service Routines? Here are a few rules which should be kept in mind while writing down your own Interrupt Service Routines: 1. Use Int 21
Visual basic is useful if you are planning to make the programs from scratch. This language helps you in producing Active x controls, exe files, etc. Visual script is a powerful t
The Concept Development journal must contain: An introductory paragraph detailing what conclusions you have drawn from your research and how you intend to proceed. This should b
What is the system call available to transmit a signal? System call Kill is used to send a signal to a method or a group of processes. Int kill (pad tepid, Int sig); This
Explain Concurrent sharing. Concurrent sharing: Some number of programs may share a file concurrently. While this is the case, this is essential to ignore mutual interferen
(1-x^2 ) (d^2 y)/?dx?^(2 ) -x dy/dx-4y=0
What is the session. Session is a collection of various groups of method. Every session is assigned to a single control terminal. This terminal is either a pseudo-device. or a
Explain difference of Circuit switching versus Packet switching. Within circuit switching an end-to-end path is to be establishing before any data can be sent. Previously a con
How AI think rationally& acting rationally
Blocking and Non-Blocking network In non-blocking networks the route from any free input node to any free output node can always be offered. Crossbar is an best example of non-
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