What is the bit size used in the 8051 microcontroller?

A. 4-bit 4-बिट

B. 8-bit 8-बिट

C. 16-bit 16-बिट

D. 32-bit 32-बिट

Correct Answer is :

B. 8-bit

Explanation

The 8051 has an 8-bit data bus, meaning:

• It processes 8 bits of data at a time.
• The accumulator, registers, and ALU are all 8-bit.

It can access 8-bit data in memory and perform 8-bit arithmetic/logical operations.