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Q. Fundamental components of a microprocessor?
The word 'micro' is used in microphones, microscopes, microwaves, microprocessors, microcomputers, microprogramming, microcodes etc. It means small. Amicroprocessor is an illustration of VLSI bringing whole processor to a single small chip. With popularity of distributed processing emphasis has shifted from single mainframe system to independently working workstations or functioning units with their own RAM, CPU, ROM and a magnetic or optical disk memory. So the arrival of microprocessor has transformed mainframe environment to a distributed platform.
Let's summarise the fundamental components of a microprocessor:
Figure: Components of a Microcomputer
Please note the following in the above diagram:
Why do we need DMA? DMA is used to transfer the block of data directly among an external device and the main memory without the continuous intervention by the processor.
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What are the disadvantages of file processing system?
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What is assembly language? A complete set of symbolic names and rules for the use of machines comprise a programming language, usually referred to as an assembly language.
What is a pre-processor? A pre-processor is a program that procedure the source code before it passes by the compiler. It handles under the control of pre-processor directive.
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