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What is the difference between microprocessor and microcontroller?
Asked by Shaju Last Modified
Answer 
Microprocessor & Microcontroller both are integrated circuits.
The microprocessor (MPU) is a controlling unit of a microcomputer. It is stored in a single integrated circuit; whereas Microcontroller(MCU) is a compact integrated circuit design to govern a specific operation in an embedded system.
The microprocessor is a set of instructions having zero status flag, bulky & large no.of instructions, mainly used in personal computers. The microprocessor is the heart of the computer.
Whereas Microcontroller is also set of instructions having no zero flags, as well as fewer instructions, mainly used in the washing machine, MP3 players Microcontroller having RAM ROM, EEPROM embedded in it.
read less
Siddharth Singh
"Chemical Engineering first year student , I have experience of 1 year in all the subject" .
Surya Raveendran
Mtech holder from NITC having teaching experience in Electronics Engineering for more than 10 years.
MICROCONTROLLER:1) It is the heart of Embedded system
2) In microcontroller all peripherals such as RAM ROM TIMERS/COUNTERS are all embedded (in built) under single chip. There is no need to connect externally.
3) Speed of microcontroller is high since it takes less time to form communication between all the peripherals since they all are in built under single chip.
4) Microcontrollers consumes less power since it has all components under one chip.
5) Propagation delay is minimised.
6) They are used in washing machines, mobile phones etc.\
MICROPROCESSOR:1) Microprocessor is also like the brain of system.
2) In microprocessor all the components like RAM ROM TIMERS/COUNTERS have to be interfaced externally by using buses( cables).
3) Microprocessors are comparatively slower than microcontroller since in microprocessor the components have to be interfaced externally.
4) Microprocessor consumes more power compared to microcontroller.
5) Microprocessors are used in research computers and labs
read less Anandita Pritidarsini Panda
civil Eng with good teaching experience ,completed M Tech & be a good teacher & guide for students.
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