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प्रश्न
Explain Micro-controller and state any two of its advantages over Micro-processor.
उत्तर
(a) A microcontroller is a complete microprocessor system, consisting of microprocessor, limited amount of ROM, RAM and parallel I/O ports, built on single integrated circuit.
(b) Microcontrollers can be used in wide variety of intelligent products such as in personal computers key-boards.
(c) Advantages of microcontroller over microprocessor-based system :
(i) The cost of microcontroller is less than a microprocessor-based system.
(ii) A microcontroller has more I/O components than a microprocessor-based system.
(iii) Many low cost products such as electronic toys, electric drills, microwave ovens, VCRs are based on microcontrollers. This is not the case with microprocessor based system.
