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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 are the desirable characteristics of an Electronic Market Place? Characteristics of an Electronic Market Place: a. Its electronic, the business center is not a phys
What is 'inode'? All UNIX files have its description kept in a structure called 'inode'. The inode have info about the file-size, its location, time of last access, time of las
What are limitations of assembly language? i. It is changed to machine language using assembler which is time consuming when compared with machine language. ii. It is comple
An exchange uses a -40 V battery to drive subscriber lines. A resistance of 250 ohms is placed in series with the battery to protect it from short circuits. The subscribers are req
how to find the integral of a function represented by collection of experimental data
Q. Explain the Hard Disk Controller & Floppy Disk Controller with necessary diagrams. Q. Explain Input/Output Techniques (Data Transfer Techniques).
What is Hashing? Hashing: Hashing gives the direct access of record from the file no matter where the record is in the file. This is possible with the help of a hashing functio
compare 2g , 3g , and 4g also with advantage of 3g and 4g.
Jobs which are admitted to the system for processing is called ? Ans. Long-term scheduling is admitted to the system for processing.
Name the various Display devices Different types of display devices are discussed along with the principles on which these work. The main display devices used with CAD systems
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