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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.
What is one-way association? One-way association means association will traverse in only in one direction and implement using the actual implementation. If the multiplicity is
Question: (a) What is the difference between the Color Pass and the Color Replace effects? (b) What is the basic workflow order for Color Match? (c) Explain clearly the
What are the differences between struts and units? A warm up question. Units are static objects that exist from the start of the simulation right up to its end, whereas struts
With neat diagrams explains the configuration of a step-by-step switching system. The schematic diagram for an exchange is specified in figure. Each subscriber is associated to
Define the Pulse-Triggered (Master-Slave) Flip-flops? The term pulse-triggered signify that data are entered into the flip-flop on the rising edge of the clock pulse, though th
Many medium-to-large information services units for modern business have reorganized to be decentralized with an emphasis on dynamic teams andempowerment. In modern business system
Aggregation Aggregation is a special form of association that models the "part-whole" or "a-part-of" relationship as an aggregate (the whole) and parts. The most important pro
Printers are devices which put ink on paper in a controlled manner. They manually produce photographic images orreadable text. Printers have gone through a large transition in tech
a) Input names of students from the user, terminated by "ZZZ", 0, 0, 0 and create a data file grades with records of the following form: Student (string), test1 (integer), test2 (i
Compare the architecture of SS7 with seven-layer OSI architecture The relationship among these levels and the layers of the OSI model is demonstrated in figure. The user part i
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