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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.
2) Consider the following neural network for two predictors Thickness and Alignment and two classes Print Quality High and Low. Some weights are shown in the table, including weigh
What are the two methods to resolve collision during hashing. The two methods to resolve collision during hashing are: a) Open addressing and b) Chaining.
Explain all the categories that are served by Common Control switching. Common Control Switching System: It is a functional block diagram of a common control switching system i
Divide overflow is generated when (A) Sign of the dividend is dissimilar from that of divisor. (B) Sign of the dividend is same as that of divisor. (C) The first part
Explain with neat diagram the internal organization of bit cells in a memory chip. Memory cells are usually organized in the form of an array, in which every cell is capable of
Explain the High Level Language? The programming language such as FORTRAN, C, or Pascal that enables a programmer to write programs those are more or less independent of a parti
what is an input?
Two properties of recursion are:- 1. A smallest, base case that is processed without recursion and acts as decision criterion for stopping the method of computation and 2.
for calculating simple interest
Q. Describe THEAD, TBODY and TFOOT tag? THEAD, TBODY, TFOOT , , and form groups of rows. specifies that a group of rows are heade
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