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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:
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Read only memory (ROM) ROM holds the instructions for starting up the computer. This sort of memory can only be read and can't be altered (that implies deleted or written to) a
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