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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.
ASP.NET MVC uses ASP.NET routing, to map incoming browser requests to controller action process. ASP.NET Routing makes use of route table. Route table is formed when your web appli
Define Rules for Reducing Karnaugh Maps? The rules for reducing Karnaugh Maps (k- maps) are as follows: All of the 1's in the Karnaugh Map are called as minterms. The
Q. Addition of array elements using two processors? In this example we have to find sum of all elements of an array A of size n. We will divide n elements in 2 groups of roughl
What is the function of a data element? A data element defines the role played by a domain in a technical context. A data element having of semantic information.
Q. What is Shadow Mask? Shadow Mask is a metal sheet that has fine perforations (holes) in it and is situated a short distance before phosphor coated screen. The Phosphor dots
How can you show only selected records with a form? There are dissimilar ways in which you can limit the records that you will see with a form, you can: Open a form and app
What are the three data anomalise that are likely to occur as a result of data redundancy?
Q. Calculations for a standard VGA graphics screen? Let's do the calculations for a standard VGA graphics screen (640×480) using 16 colours. Total number of Pixels = 640 ×48
Microprocessor development system Computer systems have undergone many changes recently. Machines that once filled large areas have been reduced to small desktop computer syste
Explain about unix file system architecture
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