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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.
Which work process triggers database changes? Update work process
Explain the significance of init() and destroy( ) methods of an applet? Also explain two ways of invoking an applet. The init( ) method is utilized for fundamental initializati
Every input line of combinational circuit represents a specific element of the string let's say xi and every output line results in the form of a sorted list. In order to get the a
Translate each of the following sentences into predicate calculus, conceptual dependencies, and conceptual graphs: 1. Bill sold the book to the book store." 2. "John borrowed
When investing money, an important concept to know is compound interest. The equation FV = PV (1+rate)periods . This relates the following four quantities. The present value (PV)
Q. Explain about Workstations? The workstations are used for engineering applications like CAD/CAM or other types of applications which need a moderate computing power and rela
What are the properties of electronic cash? Properties: 1. Monetary Value: Monetary value should be backed by bank certified cashier’s cheque or cash, bank authorized cred
Design a mod-12 Synchronous up counter. Ans. Design of a mod 12 synchronous counter by using D-flipflops. I state table Present state Next
Describe some general uses for Visual basic applications in general context? Ans) Visual basic can be used within almost all Microsoft products such as Map point, Visio, Auto ca
Discuss the classifications of switching systems. The categorizations of switching systems are specified in the block diagram given below:
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