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.
Zero address instruction format is used for (A) RISC architecture. (B) CISC architecture. (C) Von-Neuman architecture. (D) Stack-organized architecture.
What is Indexed addressing The location of data is calculated as sum of an address specified by one of previous methods, and value of an index register. This allows an array of
Q. What is Presentation layer? Presentation layer: When two hosts are communicating with each other they might use different coding standards and character sets for represent
Multiple providers of libraries may use common global identifiers causing a name collision when an application tries to link with two or more such libraries. The namespace feature
Ask qa survey was conducted among the residents of pune city,it suburbs and the pune cantonment area.the following three pie diagrams show their respective preferences for living i
Give an example of Problem Statement You should understand here that you are looking for a statement of requirements, not a proposal for the solution. OOA specifies structu
Q. How can we Resize Layout Cells? To precisely design a page, you can set size of cells you add in a document. You can reposition cells in the page as well. 1. Click o
Types of Structure Charts Transaction structure - control module calls subordinate modules, each of which handles a certain transaction More afferent processes Le
Draw the logic diagram of a full subtractor using half subtractors and explain its working with the help of a truth table Ans: Full Subtractor: It has to take care of repe
A neural network can be definite as a model of reasoning based on the human brain. The human brain incorporates nearly 10 billion neurons and 60 trillion connections, Synapses amon
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