Question

What is a transducer?

(a) Finite automata that both respond to events and generate actions

(b) Finite automata that respond to events but generate no actions

(c) All of the mentioned

(d) None of the mentioned

This question was addressed to me in an interview for internship.

Query is from Designing with State Diagrams in division Unified Modelling Language of Software Architecture

Answer 1

Correct answer is (a) Finite automata that both respond to events and generate actions

Explanation: Finite automata that both respond to events and generate actions are called transducers and finite automata that respond to events but generate no actions are called acceptors, or recognizers.