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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.
Explain Deadlock in operating system ? Deadlock: all process in a set of processes is waiting for an event which only a process in the set can cause.
Programmable read only memory (PROM) A PROM is a memory chip on which data can be written only one time. Once a program has been written onto a PROM, it's permanent. Unlike RAM
Illustrate about probability of collision? Probability of collision: There is a triangle and on this let’s assume that there are three ants one on each corner and are free t
How is Transaction Processing System affect performance of e-commerce sites? Transaction Processing System influences performance of e-commerce sites: Transaction-Processing
A router is used to Distributes information among networks.
Explain Binary number system. Ans. Binary Number System The number of system along with base or Radix two is termed as the Binary Number System. To show the number, 0 a
A class that has no functionality of its own is an Adaptor class in C++. Its member functions hide the use of a third party software component or an object with the non-compatible
What is PCI bus? The Peripheral component interconnect(PCI) bus is a standard that handles the functions found on a processor bus but in a standardized format that is independe
Digital Signature is Software to recognize signature
Determine the Example - "fork-join" module initial_fork_join(); reg clk,reset,enable,data; initial begin $monitor("‰g clk=‰b reset=‰b enable=‰b data=‰b", $time, cl
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