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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.
Assume that you are working in a software company as a programmer and a bank is your company's client. The Bank is a most popular and one of the leading banks in Malaysia. Your
What are the different sections of a report? A report is categorized into many sections: The Report header: In this you place a control which must appear only at the startin
Elaborate protected mode memory addressing in brief. Protected mode interrupt: In protected mode, interrupts have exactly the same assignments as in real mode though int
Q. How to load DOS from Floppy Disk? If DOS is not setup on the Hard Disk of your PC, or you want to load DOS from the Floppy disk drive due to any reason, follow these steps:
Data can be moved from one field to another using a 'Write:' Statement and stored in the desired format. Write: Date_1 to Date_2 format DD/MM/YY.
Testing, Testing, Testing
Performance of Pipelines with Stalls: A stall is reason of the pipeline performance to degrade the ideal performance. Average in
Multiplication Algorithms Multiplication of the two fixed-point binary numbers in signed magnitude representation is done with paper and pencil through a process of successive
What do you mean by numbering and addressing? Numbering and Addressing: In data networks and telephone, the end equipments are more frequently single units than multiple dev
What is write miss? During the write operation if the addressed word is not in cache then said to be write miss.
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