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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.
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Q. Example of arrays pointers? General form of declaration of array in Fortran 90 is type, DIMENSION(bound) [,attr] :: name E.g. the declaration INTEGER, D
An analysis, which determines the syntactic structure of the source statement, is called ? Ans. Syntax analysis that determines the syntactic structure of the source statement.
Macroscopic and Microscopic approaches - Thermodynamics: Thermodynamic studies are undertaken by following two different approaches. l. Macroscopic approach (Macro mean big)
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Equivalences & Rewrite Rules - artificial intelligence: Along with allowing us to verify trivial theorems, tautologies make us able to establish that definite sentences are say
Problem 1 Prove that :- x(x + y) = x by using identities 2 Write a short note on Analog to Digital Converter (ADC) 3 Differentiate between sequential and combinational ci
What is a binary tree? A binary tree 'T' is described as A finite set of elements, known as nodes, such that: either (i) or (ii) happens: (i) T is empty (known as the 'nu
Explain about the function of network layer briefly in TCP/IP protocol stack. Internetwork Layer: The best-called TCP/IP protocol at internetwork layer is Internet Protoc
Q. What is Mini computer? The term minicomputer introduced in 1960's when it was realized that numerous computing tasks don't need an expensive modern mainframe computers howev
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