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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.
Telnet It is a terminal emulation program for TCP/IP networks like as the Internet. The Telnet program runs on your computer and attaches your PC to a server on the network. On
what is picket fence problem?
Define class NP. Problems that can be solved in polynomial time by a nondeterministic TM. Contains all problems in P and some problems possibly outside P.
Can we include customizing include or an append structure with Pooled or Cluster tables? No.
What happens if only one of the commands SET SCREEN and LEAVE SCREEN is used without using the other? If we use SET SCREEN without LEAVE SCREEN, the program ends processing for
Remember, the value of α is between 0 and 1. Now, let us put some values of α and compute the speed up factor for increasing values of number of processors. We get that the S(N) k
What are the main characteristics of a pipeline? Ans: The main characteristics of a pipeline are: a) The speedup or efficiency gain by suing a pipeline depends on the numbe
What are RDRAM? RDRAM are Rambus DRAM. Rambus needs specially designed memory chips. These chips use cell arrays based on the standard DRAM technology. Multiple banks of cell a
System.XML.XLinq.dll has classes to provide functionality to use LINQ with XML.
The memory allocation scheme subject to “external” fragmentation is? Segmentation is the memory allocation scheme subject to “external” fragmentation.
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