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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. Explain the Structured Design of system? Structured Design utilizes graphic description (Output of system analysis) and focuses on development of software specifications.
Explain the role of a bus arbiter in a multiprocessor configuration. Bus arbiter: Which functions to resolve priority between bus masters and allows only one device at a time t
What is most common biometrics? Explain in brief. The most common biometrics is as given below: Face geometry (Photo): The computer captures the picture of your face and m
One can change an infix expression to a postfix expression using a By using Stack you can convert infix expression to a postfix expression
Q. Main drawbacks of CD-ROMs? The main drawbacks of CD-ROMs are: It is read only thus can't be updated Access time is longer than that of magnetic disks. Very
What is the difference between a subscript and an index in a table definition? Ans) A subscript is a working storage data definition item, typically a PIC (999) where a value mu
how to prove the partial order R is a total order in discrete mathmetics and structures by topological sorting method in c programming
Q. Explain about Joint Application Development? It is defined as a structured approach in which users, managers, and analysts work together for many days in a series of intensi
Explain how a node can be inserted into an AVL tree. We can insert a node into an AVL tree through the insertion algorithm for binary search trees in which we compare the key o
Q. What are the types of Instructions? Computer instructions are translation of high level language code to machine level language programs. So from this point of view machine
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