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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 the differences between macros and subroutines. Macros Vs Subroutines (i) Macros are pre-processor directives which are processed before the source program is pass
1. The Goal: Do you think that this is an operational methodology or a philosophy? Please explain. 2. How to apply Constraint Management to a Production Facility? How about to a
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Reply and discuss the role of the SAS 70 report in reviewing internal controls. Provide publicly available examples of SAS 70 reports and explain. Problem Discuss the
Q. Input - output Devices using Device Controller? A device controller needs not to necessarily control a single device. It can typically control multiple I/O devices. It come
We might model such a scenario using three types of object: one for Customers, one for BankAccounts and another for Transactions. In terms of data required, for Customers assume we
Two popular encryption techniques to ensute secured transactions on the net? 1. Translation table 2. Word/byte rotation and XOR bit masking.
design a ciruit which can work as a 4-bit binary adder as well as subtractor
Functioning of registers: at any instance of time global registers and only one window of registers is visible and is addressable as if it were only set of registers. So for progra
Discuss the use of Artificial intelligence techniques in E-Commerce applications. Explain about the various uses of Artificial Intelligence in Medicine field. Justify it with pr
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