Explain the difference between microcontroller and microprocessor?
The difference between microprocessor and microcontroller are:
|1.||The microprocessor is the central part or heart of the computer system.||The microcontroller is the heart of an embedded system.|
|2.||Microprocessor chip does not have RAM, ROM I/O units and timer.||A single microcontroller chip has CPU, RAM, and ROM.|
|3.||There is no power system feature in a microprocessor.||Power saving feature is there in a microcontroller.|
|4.||A microprocessor system is complex and expensive.||The microcontroller system is inexpensive and straightforward.|
|5.||Microprocessor depends on technology, and so the system can run at a very high speed.||A microcontroller depends on its architecture, and hence the system can run up to 200 MHz.|
|6.||Microprocessor runs on the Von-Neumann architecture where data and program can be stored in the same memory.||The microcontroller runs on Harvard architecture, and so data and program memories are separate.|
|7.||The microprocessor is generally used in personal computers.||A microcontroller is used in washing machines and MP3 players.|
Note:- The embedded system market is continually increasing, so embedded system interview questions are essential.
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