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Shadow RAM is a copy of Basic Input/Output Operating System (BIOS) routines from read-only memory (ROM) into a particular area of random access memory (RAM) so that they can be accessed more rapidly. Access in shadow RAM is typically in the 60-100 nanosecond range while ROM access is in the 125-250 ns range. In some operating systems like DOS, certain BIOS routines are not only used during the boot or start-up of the system, but also during normal operation, particularly to drive the video display terminal. In Windows and OS/2, thus, these routines are not used and the use of shadow RAM is not essential. In some systems, the user can turn the use of shadow RAM off or on.
Explain Performance Evaluation in parallel Computing In this section, we will discuss the key attributes used to measure performance of a computer system. The performance chara
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What is parallel adder? Draw and explain block diagram for 4 bit parallel adder. Ans: By using full adder circuit, any two bits can be added along with third input like a ca
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Differences between inter statement and intra statement delay? //define register variables reg a, b, c; //intra assignment delays initial begin a = 0; c = 0;
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How is network examined by intranets, extranets and Internet? When more and more businesses seek to build their mission critical business solutions onto IP networks, networking
What is Batch processing In this process, a number of tasks (or jobs) are all collected together over a set period of time. They are then all loaded into the computer system (i
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