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In a memory hierarchy system, data and programs are first stored in secondary or auxiliary memory. Program and its related data are brought in main memory for execution. What if the size of Memory needed for Program is more than the size of memory? Virtual memory is a idea used in some large computer systems which allow user to construct programs as though a large memory space were available, equal to total of secondary memory. Every address produced by CPU goes through an address mapping from so-called virtual address to a physical address in main memory. Virtual memory is employed to give programmers the illusion that they have a very large memory at their disposal although computer in fact has a relatively small main memory. A Virtual memory system offers a mechanism for translating program-generated addresses in correct main memory locations. This is done dynamically whereas programs are being executed in CPU. The translation or mapping is handled automatically by hardware through a mapping table.
What are the primary models of Supply Chain Management? Two Primary models of Supply Chain Management are illustrated below: a. Porter’s Value Chain Model and b. Supply
Q. Explain about Open System? The 'Open System' is a system within its environment. It receives input from environment as well as provides output to environment. Illustrati
The void type is used for The void type is used to make generic pointers.
In C++ terminology, all public methods in Java are virtual. Thus, all Java methods can be overwritten in subclasses except those that are declared final, private and static.
Printers are devices which put ink on paper in a controlled manner. They manually produce photographic images orreadable text. Printers have gone through a large transition in tech
Q. What do you mean by Program Counter? Program Counter (PC): It determines the instruction that is to be executed next which means after the execution of an on-going instructi
IA-64 instead depends on the compiler for this task. Even before the program is fed into the CPU, the compiler studies the code and makes the similar sorts of decisions that would
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
Find the Nyquist rate for the following signals: (a) x(t) = 5 sin 3000πt cos 4000πt (b) A binary channel with bit rate 36000 bps is available for PCM voice transmission. Fi
Q. Using Library methods returns number of threads? #include void subdomain(float x[ ], int istart, int ipoints) { int i; for (i = 0; i x[istart+i] = 123.456;
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