Write the main difference between microcontroller Notes and microprocessor. Why do smart home appliances have a microcontroller instead of microprocessor embedded in them?
Answers
Answer:
1.Key difference in both of them is presence of external peripheral, where microcontrollers have RAM, ROM, EEPROM embedded in it while we have to use external circuits in case of microprocessors.
2.As all the peripheral of microcontroller are on single chip it is compact while microprocessor is bulky.
Explanation :
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Answer:
1.Microprocessor consists of only a Central Processing Unit, whereas Micro Controller contains a CPU, Memory, I/O all integrated into one chip.
2.Microprocessor is used in Personal Computers whereas Micro Controller is used in an embedded system.
3.Microprocessor uses an external bus to interface to RAM, ROM, and other peripherals, on the other hand, Microcontroller uses an internal controlling bus.
4.Microprocessors are based on Von Neumann model Micro controllers are based on Harvard architecture. 5.Microprocessor is complicated and expensive, with a large number of instructions to process but Microcontroller is inexpensive and straightforward with fewer instructions to process.