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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 four types of consumer oriented applications of E-commerce? Discuss them briefly. Four types of Consumer Oriented applications in E-Commerce are as follows: 1
DMA controllers in computer system: DMA Controller Part of the I/O device interface DMA Channels Performs functions that in general would be performed by t
Determine about the raster-scan systems Most of the present raster-scan systems contain a separate processor called as display processor. This processor performs graphics func
Q. Returns and Procedures definitions in 8086? 8086 microprocessor supports RET and CALL instructions for procedure call. CALL instruction not only branches to indicate address
i want dynamic cons simple program in c++
Add 648 and 487 in BCD code. Ans. In BCD Code, addition of 648 and 487: 6 4 8 = 0 1 1 0 0 1 0 0 1 0 0 0 4 8 7 = 0 1 0 0 1 0 0 0 0 1 1 1 ---------------------
Question : a) E-mail is a common feature nowadays in IT. What does it stands for and what is it used for? b) Briefly describe four advantages of using the electronic mail s
What are SIMM and DIMM? SIMM are Single In-Line Memory Module. DIMM is Dual In-Line Memory Modules. Such modules are an assembly of various memory chips on a separate small boa
What is a multiple line field? A multiple line field is a special part of field which allows the user to enter multiple lines of data into it.
OLAP is called as online analytical processing which gives answers to queries which are multi dimensional in nature. It composes relational reporting and data mining for giving sol
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