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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.
Q. Write Policy of cache memory? If contents of a block in cache are changed then it's essential to write it back to main memory before replacing it. Write policy determines wh
A phonetic password generator picks two segments randomly for each six letter password. form is CVC. what is the total password population? 1> what is the total password population
What are the two methods to resolve collision during hashing. The two methods to resolve collision during hashing are: a) Open addressing and b) Chaining.
What is Machine.config? Machine configuration file: The machine. config file contains settings that apply to the whole computer. The machine.config, which can be found in the
Computer have many type of memory like primary memory , Auxiliary memory , Cache memory , buffer memory ,virtual memory , The work of all memory heterogeneously primary memory
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Traffic Intensity can be measured in (A) Erlangs (B) CCS (C) CM (D) All of the above Ans:
There are two methods for organising the associative memory based on bit slices: Bit parallel organisation: In this organisation every bit slices which are not masked off,
List one advantage and one disadvantage of having large block size. Ans: Advantage: By using a huge block of memory is maximum process's accommodation that resulting is less no
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