Question

The architecture of 8051 consists of

(a) 4 latches

(b) 2 timer registers

(c) 4 on-chip I/O ports

(d) all of the mentioned

This question was posed to me during an interview for a job.

My query is from Architecture of 8051 topic in section Microcontroller 8051 of Microprocessor

Answer 1

Correct option is (d) all of the mentioned

For explanation: The architecture of 8051 consists of 4 latches and driver pairs are allotted to each of the four on-chip I/O ports. It contains two 16-bit timer registers.