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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 referred as memory mapped I/O. The case in computers that employ only set of read and write signals and do not differentiate between memory and I/O address. This is kno
What is the advantage of dividing an email address into two parts? The division of an e-mail address in two parts is significant since it achieve two objectives. First, the div
Can you give an example of when it would be appropriate to use a web service as opposed to a non-serviced .NET component? Services which help in stock trading by giving analysi
What is domain analysis? Domain analysis is concerned with devising a precise, concise, understandable and correct model of the real world. Analysis starts with problem statem
Give difference between top down parsing and bottom up parsing. Top down parsing: Specified an input string, top down parsing tries to derive a string identical to this by s
Specified the code segment below and that n is the problem size, answer the following queries: // . . . int sum = 0; if(x > 12){ for(int i = 1; i for( i
1. Figure 1 below shows the truth table for five different functions. Each truth table shows the inputs x1, x2 and the desired output d. (a) Write down which of these functions
Q. Basic Tradeoff of concerns for instruction set design? Basic Tradeoff: Smaller instruction (less space) vs. desire for more powerful instruction repertoire. Generally p
Determine the term- Files File maintenance is significant. Updating of files generally involves inserting, amending and deleting data. Example: A bank would amend data
I got a graduate level database assignment which is due at Dec 8, 11:59p.m. Can you finish it on time in high quality?
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