Shadow ram
Explain about shadow ram?
Expert
It is a copy of Basic Input/ Output Operating System (BIOS) routines from read-only memory in a special area of random access memory (RAM) so that they can be accessed more rapidly. Access in shadow RAM is normally 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 employed during boot or start up of the system, however also during normal operation, especially to drive video display terminal. In Windows & OS/2, though, these routines are not employed and the use of shadow RAM is not essential. In some systems, user can turn the use of shadow RAM off or on.
Filter-Based Methods: After the universal environments are generated, they are combined with the code of the unit and then a model checker such as JPF can be used to verify unit properties (e.g., that there are no runtime exceptions). In many cases, b
Normal 0 false false
Beam Search: It is an optimization of the best-first search that uses the heuristic function to discard all but the m best candidate states at each depth, where m is the bound on the “width of the beam.” If more than m can
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