Microprocessors are Programmable, Clock-Driven, Register-Based electronic device that takes binary input , processes them according to the instruction stored in the memory and provides result as output. Microprocessors are the heart of Modern Computers.
Micro-controllers are self-contained system that in-cooperates processor, peripherals (RAM, ROM, I/O controls , Clock/Timers, etc) and memory that can be used as an embedded system.They are used in a wide application ranging from toys to Automobiles. An automobile may contain many hundreds of micro-controllers.
| Attribute | Microprocessor | Micro-controller |
| Defination | Programmable, Clock-Driven, Register-Based electronic device that in-cooperates CPU within a single chip | A single chip that in-cooperates processor, RAM, ROM, Timer / Clock , I/O control Unit, etc. |
| Used in | Servers, Desktop Computers, Laptops, Mobile Devices | products ranging from toys to automobile |
| Cost | expensive | cheaper |
| Electronic Circuit Density | higher | lower |
| Components | 3 components (ALU, CU, Registers) | all components inbuilt (i.e. RAM, ROM, Timers, I/O, etc.) |
| Additional Circuits | can be added | cannot be added |
| Designed To Perform | Huge set of general functions | Small set of Specific functions |
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