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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.
What is the draw back of micro programmed control? It leads to a slower operating speed because of the time it takes to fetch microinstructions from the control store.
What do conditional assignments get inferred into? Conditionals in a continuous assignment are specified through the "?:" operator. Conditionals get inferred into a
Q. What do you mean by Supercomputers? The upper end of state of art mainframe machine is supercomputers. These are among the fastest machines in terms of processing speed and
Conversion of Decimal Number to Binary Number: For converting a decimal number to binary integer part and fractional part are handled separately. Let's describe it with help of
Define Grammar of a language. A formal language grammar is a set of formation rules which describe that strings formed from the alphabet of a formal language are syntactically
Q. Explain the typical organization of a computer? There are two principal components: hardware and software. The former refers to physical components such as memory unit (MU),
explain about relations
What do you mean by term procedure? Differentiate between far call and near call? PROC: PROC and ENDP directives indicate the start and end of a procedure. These directives for
I have developed a web application in .net & if the web application is idle for some time & after that if we perform some action on that web page then it doesn''t respond. Can you
Give difference between top down parsing and bottom up parsing. Top down parsing: Specified an input string, top down parsing tries to derive a string identical to this by s
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