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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.
Logical shift A logical shift operation transfers 0 through serial input. We apply symbols shl and shr for logical shift left and shift right microoperations, examples:. R1
Q.What do you mean by the term 'bounded rationality in decision making'? Maximizing the outcomes of a decision is an ideal stage. Habitually it is an impossible thing. The caus
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Sometimes it is nice to place layers in groups. It makes them simple to organize when you have lots of them. It also means you can simply apply the similar effect to lots of layers
Think about call of two intrinsic functions discussed above for a 32-Processor (4×8) Multicomputer: The function call NUMBER_OF_PROCESORS () will return 32.
Perceptron training: Here the weights are initially assigned randomly and training examples are needed one after another to tweak the weights in the network. Means all the exa
what is semi conductor
The function noise.m, now installed on ashland too, adds Gaussian, salt, uniform and pepper, additive or multiplicative noise to an image
DEscribe a console application to show all the arguments passed tocommand line whereas running the application. The user can pass anynumber of arguments that should be shown. Use l
What is the difference between a subscript and an index in a table definition? Ans) A subscript is a working storage data definition item, typically a PIC (999) where a value mu
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