What is microprocessor? All Questions › Category: Automotive Electronics › What is microprocessor? 0 Vote Up Vote Down chetan shidling asked 5 years ago I need short information. 1 Answers 0 Vote Up Vote Down chetan shidling answered 5 years ago The microprocessor consists of processor core (single or multicore), memory (RAM or ROM), input ports, output ports, etc. It is used in mobiles, laptops, and many more multi tasking device.