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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.
Write an applet that display the directory holding the HTML file that started the applet and the directory from which, applet class file was loaded. An applet is here given bel
In academic year a researcher can either be employed as a professor or a lab assistant.there are three kinds of professors: assistant,associate and full professors.drow E-R DIAGRAM
Program generation activity aims at? Ans. At automatic generation of program the program generation activity aims.
The disadvantages of specifying parameter assignments using defparam are: - Parameter is essentially specified by the scope of hierarchies underneath which it exists
Expain the working of associative memory
The Peripheral interface chip system requires the construction of the interface chip circuit, which is controlled by main micro-controller via the user interface. I also need set
Explain What is the difference among embedded systems and the system in which RTOS is running? Ans) Embedded system can have RTOS and cannot have also. It depends on the requi
Advantages of EDI 1. EDI replaces paper transactions with electronic transactions therefore it saves times and speeds up transactions. 2. It gives a legal record of busine
What is visibility give UML notation? Visibility refers to the ability of a process to reference a feature from another class and has possible valued of public, private, protec
Given a four level hierarchical storage system consisting of: cache, primary storage, secondary storage, and tertiary storage. Suppose the following: programs may be executed on
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