Question

Write any three points which specifies Accumulator of 8085 microprocessor as a special purpose register.

Answer 1

1. The accumulator is an 8-bit main register of the 8085 used to perform arithmetic and logical operations. In such operations, one of the operands is always stored in the accumulator.
2. It can be used as both a primary source and a destination register. The final result of the operation is also stored in the accumulator.
3. All data transfer between the CPU and I/O devices is performed through the accumulator.