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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.
Problem 1 Prove that :- x(x + y) = x by using identities 2 Write a short note on Analog to Digital Converter (ADC) 3 Differentiate between sequential and combinational ci
Problem a) Distributed network architecture is whereby services are executed and distributed among various computers. Give two advantages and two disadvantages of the distrib
Lists out some applications of Shift Register. Ans: Applications of Shift Registers: a. Serial to Parallel Converter b. Parallel to Serial Converter c. Delay li
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What is control word? A control word is a word whose individual bits show the various control signals.
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How semaphores implement mutual exclusion? Mutual-exclusion implementation along with semaphores: Assume that there are n-processes and they share a semaphore, mutex (stan
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