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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. Example on Sorting using Combinational Circuit? Example: Think about a unsorted list having element values like given below {3,9,8,5,10,12,14,20,90,95,60,40,23,35,18,0}
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Q. What is Dynamic Random Access Memory? RAM technology is divided into 2 technologies: Static and dynamic. A dynamic RAM (DRAM) is made with cells which store data as charge o
Choose one area of rapid technological change in IT or Computer Science and research and report on recent developments and the outlook for the future in the area that you have chos
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How to configure TSM server
Explain Combinational logic circuits Ans. Combinational logic circuits:- (i) Outputs only depend upon present state of the input. (ii) No memory element present or no f
What do you understand by Electronic Funds Transfer? Electronic Funds Transfer: It's an electronic payment method that transfers the money value from one bank account to
The no of decimal places for output can be describes within a write statement. This statement is right. Write:/ decimals 2.
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