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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.
Write the truth table of NOR gate. Ans. The truth table for NOR gtae is shown below:
Q. Displaying the List of Files with DIR? You can display the list of files kept in a diskette or hard disk with the DIR commend. This Commends list files and sub directories i
How to implement zbuffer algorithm
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defination of query ?
What is Basic Time Division Switching? Basic Time Division Switching: The functional blocks of a memory based time division switching switch is demonstrated in figure and i
Drawback of these electromechanical and mechanical computers The basic drawback was: Inertia/friction of moving components had limited speed. The data movement usin
Synchronized with a clock signal Memory system considerations Speed Cost Size of chip Power dissipation Memory controller Refresh Overhead
Q. Explain about Decimal Numbers? Decimal number system has 10 digits signified by 0,1,2,3,4,5,6,7,8 and 9. Any decimal number can be signified as a string of these digits an
Q. Find out if a particular file is available in a disk in DOS? Sometimes you may like to find out if a particular file is available in a disk. In that case, you can identify t
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