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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 various layers of a file system? The file system is composed of lots of dissimilar levels. Each level in the design uses the characteristic of the lower levels to
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Describe the VON NEUMANN ARCHITECTURE Most of present computer designs are based on idea developed by John vonNeumann referred to as the VON NEUMANN ARCHITECTURE. V
Object Oriented Analysis T he basics of object oriented analysis with the help of object oriented features. Analysis Analysis is not a solution of the problem. We w
For the one who still has no idea about the BIOS on your PC, notice when you first turn on your PC or laptop a few screens pop up. It may be a logo such as DELL or HP or ASUS, Tyan
The NOR gate output will be low if the two inputs are ? Ans. Output is low if any of the input is high means input may be 01,10 or 11.
Grid Computing means applying the resources of a lot of computers in a network simultaneously to a one problem for solving a scientific or a technical problem that needs a large nu
When signed numbers are used in binary arithmetic, then which one of the notations would have unique representation for zero ? Ans. When signed numbers are utilized in binary ar
what is software interface #Minimum 100 words accepted#
DADA Electronics makes CD players in 3 processes: programming, and packaging. Direct materials are added at the starting of the assembly process. Conversion costs are incurred even
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