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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.
Q. Definition of Decision support system? Definition of DSS: A decision support system is a specific kind of information system which is an interactive system that supports in
QWERTY-based keyboards In addition the standard alphabet keys having QWERTY arrangement, a computer keyboard also comprises the control (alt, Del, Ctrl etc. keys) and function
What is a Data Class? The Data class verifies in which table space the table is stored when it is formed in the database
For this exercise you have to gather and report some linguistic data. Make sure your data are accurate by checking them with a native speaker if you yourself are not a native speak
. weather (windy, rainy or sunny) 2. how much money you have (rich or poor) 3. whether your parents are visiting (yes or no)
Q. Illustarte Basic Flip-flops? Let's first see a ordinary latch. A latch or flip-flop can be created employing two NOR or NAND gates. Figure (a) presents logic diagram for S-R
why we don''t use register at the place of ram?
Yes. In either the system-wide gimprc file or your personal gimprc file, uncomment the line that have install-colormap.
Q. Illustrate Programming Based on Message Passing? Since we know programming model based on message passing employs high level programming languages such as C/C++ along with a
advantages of file system?
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