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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.
Explain Language Processor Development Tools (LPDTs) through schematic diagram. LPDT that is Language processor development tools focuses upon generation of the analysis phase
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Recognition of basic syntactic constructs through reductions, this task is performed by? By Syntax analysis, recognition of fundamental syntactic constructs through reductions
Can we display a list in a pop-up screen other than full-size stacked list? Yes, we can show a list in a pop-up screen using the command WINDOW with the additions beginning at
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Define deadlock. A process requests resources; if the resources are not available at that time, the method enters a wait state. Waiting processes might never again change state
The conversation speed of an analog to digital converter is maximum with which technique? Ans. With parallel comparator AD converter technique the conversation speed of an ana
Can math operations be performed on a void pointer? No. Pointer addition and subtraction are based on advancing the pointer by a number of elements. By explanation, if you have
In a subscriber loop that contains a series resistance of 300 ohms to protect the batteries in the exchange, a normalized telephone draws 10 mA and its standard input d.c. resistan
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