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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 virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.
There can be more than one node at the highest level in the structure. False. One can describe only single node at the highest level in the structure on LDB
Rational ClearQuest is a change-request management tool that tracks and handles defects and change requests all through the development process. With ClearQuest, you can manage eac
Q. Determine the use of LOOP instruction? Program: This program prints the alphabets (A-Z) ; Register used: AX, CX, DX CODE SEGMENT ASSUME: CS: CODE. MAINP:
Develop a regular expression for Real number with optional fraction and Identifier. (i) A regular expression for real number with optional fraction is [+ | -] (d) +. (d)* (i
Q. Illustrate Minimization of Gates? The generalization of Boolean expression is much useful for combinational circuit design. The subsequent three techniques are used for this
How authoring packages supports scripting language Many authoring packages support a scripting language to allow for even more sophisticated applications to be produced. Scrip
Paging Unit Paging mechanism functions with 4K - byte memory pages or with a new extension available to Pentium with 4M byte-memory pages. In the Pentium, with the new 4M-byt
Server can interact with more than one client with using threading concepts there are java threads which are allocated to each client when he logs in to server, the thread handles
Explain about Magnetic tape a) They are mostly used for keeping files of data b )It is one of the cheapest and slowest methods for storage
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