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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.
Define Flash Memory. It is an approach same to EEPROM technology. A flash cell is based on a one transistor controlled by trapped charge just like an EEPROM cell.
Q. Explain the properties of Hypercube? Properties of Hypercube: Hypercube is both edge and node symmetric. The labels of any two neighbouring nodes vary in exactl
what is time out based schemes in concurrency control
scan line seed fill algorithm program using opengl
General Considerations for Research -artificial intelligence: If we can specify the initial state, the operators or a consumer and the goal check for a search problem, that al
Binary codes exist for any fundamental representation. Binary codes can be created for any set of discrete elements for example colors, spectrum, musical notes, chessboard position
What are different types of Log records? V1 and V2. V1 must be processed before V2. But, we can have more than single V2 logs
What are disadvantages of the asynchronous reset and synchronous reset? Disadvantages of asynchronous reset: Make sure that the release of the reset can arise within one c
Bitwise Operators Like other operators bitwise operators have rules of precedence and associativity that determine how expressions involved them are evaluated.
Write an algorithm for deadlock detection. An algorithm for deadlock detection: 1. Assume that Work and Finish be vectors of length m and n, correspondingly. Initialize:
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