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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.
Consider one versus the rest voting used for classifier with three classes {a, b, c}. Given a row of data denoted as x0 suppose that the classifier for a versus the rest predicts t
Q. How to Set Table Properties in dreamweaver? Now you will use table Property inspector to clear the extra space in navigation buttons table and to add a background color in t
Why is the data bus in most microprocessors bidirectional while the address bus is unidirectional? Data Bus: These lines are used to send data to memory by output ports and
What are the features of PROM? They are programmed directly by the user. Faster Less expensive More Flexible
What is Software and hardware interrupt The software interrupts are program instructions. These instructions are inserted at desired location in a program. A program formed int
Running Time - Metrics for performance evaluation: Running time is amount of time consumed in execution of an algorithm for a provided input on N-processor based parallel comp
Q. Explain about working of Multiplexer? Multiplexer is one of the fundamental building units of a computer system that in principle permits sharing of a common line by more th
What is SEGMENT - Assembler directives SEGMENT: This directive defines to assembler the start of a segment with name segment-name. Segment name must be unique and follows the
Clustering has been existing since the 1980s when it was used in DEC's VMS systems. IBM's SYSLEX is a cluster approach for a mainframe system. Sun Microsystems, Microsoft, and othe
Q. What do you meant by Hosts? Hosts are in general, individual machines at a specific location. Resources of a host machine is generally shared and can be utilized by any user
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