Microcontrollers are not always costlier, yeah mostly they are costlier than microprocessor. You might be thinking that if Microcontroller has
- ALU
- Memory
- I/O ports
- Timer etc.
Which a Microprocessor doesn’t have, so why it is costly?
Inspite of not having I/O port, Timer, Serial Interface etc. A Microprocessor has a lot more complex architecture than a Microcontrollers which makes it’s fabrication more challenging.
On the top of everything, Microprocessor are designed to perform complex tasks like
- Video Editing
- Photo Editing
- Gaming (3D games) etc.
Which you can’t imagine with a low cost Microcontroller. But their inability to run 3D games or do 3D video editing don’t make Microcontrollers useless.
Microcontrollers are used at places where simpler, low power consumption processor are required like in temperature controlling system of AC, Microwave, Refrigerator etc.
Even the electronics sensors have Microcontrollers embedded on them to calculate the information from different physical quantities.
I hope you understood the concept. You can read my another article “Difference between Microprocessors & Microcontrollers”
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