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. What do you mean by SSI chips? The 3 rd generation computers mostly used SSI chips. One of the key concepts that were brought forward for the duration of this time was conc
Effect of IS on Humans - Information System We have concentrated in this chapter on the ways that IS has evolved making it more useful and more user-friendly. This proliferat
The Variant data type has a numeric storage size of 16 bytes and can have data up to the range of a Decimal, or a character storage size of 22 bytes (plus string length),and can ke
What is e-brokerage? E-brokerage is an investment house that permits you to buy and sell stocks and get investment information from its Web site.
#questi on.. How it works explain
What is system testing? The final step in testing is system testing, which means checking the whole application. System testing exercises the overall application and make sure
Q. Illustrate Programming Based on Message Passing? Since we know programming model based on message passing employs high level programming languages such as C/C++ along with a
In a subscriber loop that contains a series resistance of 300 ohms to protect the batteries in the exchange, a normalized telephone draws 10 mA and its standard input d.c. resistan
Name the concepts of Object oriented There are various concepts of object oriented analysis Abstraction, Encapsulation, Identity, Modularity, Hierarchy, Typin
Hardware interrupts: Hardware interrupts -from I/O devices, processor, memory Software interrupts-produced by a program. Direct Memory Access (DMA) Interrupt or Poll
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