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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 about Computer architecture Computer architecture is the conceptual design and fundamental operational structure of a computer system. It is a blueprint and functional
Exponential Search Another alternative to variable size decrease-and-conquer search is known as exponential search. This algorithm begins searching at the beginning of the list
Explain software process model in brief.
The chief reason why digital computers use complemented subtraction is that it ? Ans. By using complemented subtraction method negative numbers can easily be subtracted.
What is a transaction? A transaction is dialog program that alter data objects in a consistent way.
Define Process. Process: It is a program in execution; process execution should progress into sequential fashion. Process contains: program counter stack dat
Explain the uses of thumbwheels Two thumbwheels are usually required to control the screen cursor in its horizontal and vertical position respectively. As the name implies,
Q. Give the difference between Register and Counter. Q. Give the difference between Flip-flop and Latch. Q. Draw a set of waveforms for following signal on out-put line.
MAC address helps in (A) multimedia access control. (B) media access control. (C) mobile access control. (D) master access point control Ans: MAC addr
Q. Explain about Cathode Ray Tubes? Cathode ray tube is the major technology on that televisions and monitors have been based. CRT is a partially evacuated glass tube which is
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