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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 notes on Frame Filtering Techniques. Frame filtering: The most valuable function performed through bridges is frame filtering. A bridge doesn't forward a frame unles
LoadRunner script code acquired from recording in the ANSI C language syntax, shown by icons in icon view until you click Script View.
Q. Describe Memory and Memory unit? Input devices can fetch instructions or data only sequentially though a program may or may not be executed sequentially because looping, jum
Demonstrate how a typical DMA controller can be interfaced to an 8086/8085 based maximum mode system. For 8088 in maximum mode: The RQ/GT0 and RQ/GT1 pins are used to is
Illustrate about 8259 8259A adds 8 vectored priority encoded interrupts to the microprocessor. We can expand it to 64 interrupt requests by using one master 8259A and 8 slave
What is a Decoder ? Ans. Decoder: - This decodes the information. The decoders contain n inputs 7 at the end maximum 2 n outputs since n bit no can decode max 2n infor
what is the work of pin daigram in 8086 microprocessor in assembly
Explanation:- A script within Rational Robot is a file that haves a sequence of SQABasic code. The extension of the file is always ".REC". Syntax [FEATURE] + "_" + [FUNCTION
Using CICS Transaction Gateway we can join MQ Series with Power Builder 8.0
What is interpreter? An interpreter is a program that appears to execute a source program as if it were machine language.
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