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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.
advantages of dda line algoritm
A global variable is a variable A global variable is declared outside the body of each function.
Consider the following system snapshot using data structures in the Banker's algorithm, with resources A, B, C, and D, and process P0 to P4: Max
What is Constrained-Random Verification ? As ASIC and system-on-chip (SoC) designs continue to increase in size and complexity, there is an equal or greater increase in the si
List out the main requirements between page replacement policies which should be satisfied by a page replacement policy? The major requirements that should be satisfied
difference between lexical & semantic expansion
What are condition code flags? The processor keeps track of information about the results of several operations for use by subsequent conditional branch instructions. This is a
Explain Wait for graph (WFG) with Resource request and allocation graph (RRAG). WFG with RRAG: A graph G = (V,E) is termed as bipartite if V can be decomposed in two
A* Search - artificial intelligence: A* search in the combines is the best parts of uniform cost search, namely the fact that it's optimal and complete, and the other best par
udp connection establishment and termintion
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