Q. How are microcontrollers classified on the basis of internal bus width?

A
8 , 16, 32, 64 bits
B
4, 8, 16, 32 and 64 bits
C
8, 16 bits
D
4 ,16 ,32 bits
Solution:
  • There are a huge variety of microcontrollers.
  • They can be classified on following: Internal bus width: 4 bit; 8 bit; 16 bit; 32 bit and 64 bits .

  • As per the BUS width nothing but the number of parallel wires, the microcontrollers are divided as: 8-Bit, 16-bit, 32-bit etc?

  • The objective of this is to transfer the data or address inside the processor between the different chip like RAM, ROM, BUS Controller etc. in high speed it needs a number of parallel wires for communication.

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