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All components of computer communicate with processor by the system bus. Which means I/O devices required to be attached to system bus. But I/O devices aren't connected directly to computer's system bus. In its place they are attached to an intermediate electronic device interface known as a device controller that in turn is attached to system bus. Therefore a device controller is an interface between a system bus and an I/O device. On one side it knows how to communicate with I/O device associated to it and on the other it knows how to communicate with computer's CPU or processor and memory via the system bus.
How the Kernel handles both the page stealer and the fault handler? The page stealer and the fault handler thrash because of the shortage of the memory. If the sum of the worki
What is cache memory? The small and fast RAM units are known as caches. When the implementation of an instruction calls for data located in main memory, the data are obtained a
The address bus is unidirectional due to the address information is always given by the Micro Processor to address a memory location of an input or output devices.
Write down the basic performance equation? T=N*S/R T=processor time N=no.of instructions S=no of steps R=clock rate
Explain various steps for analysing an algorithm. The several steps involved in analysis of an algorithm are: 1. For any algorithm, the first step should be to show that it
The idea behind inline functions is to insert the code of a known function at the point where the function is called. If done carefully, this can improve the application's performa
Determine the concepts of Object Oriented Analysis In OOA the initial focus is on identifying objects from the application domain, after that fitting those procedures around
Show the two ways in which Warnings can be suppressed in PHP? 1) Stop an individual function call from producing an error message put the @ warning suppression Operator front o
Can we specify file transfer in a Web page? Explain with the help of suitable example. Yes, file transfer can be given in a web page. The first field within a URL gives a proto
What are the uses of interactive reporting? The user can actively control data retrieval and show during the session. Instead of an extensive and detailed list, you make a ba
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