Signals Used Before Digital Ones Came Along

This page is the CodyCross answer for the clue below from Greece, Group 666, Puzzle 1 (Ancient Stadium).

Question

Signals Used Before Digital Ones Came Along

Answer

ANALOG

Word Meaning:

ANALOG — (of a device or system) In which the value of a data item (such as time) is represented by a continuous(ly) variable physical quantity that can be measured (such as the shadow of a sundial).

Definitions from Wiktionary.

Signals used before digital ones came along Greece Answers