Question

What is the system of communication that involves an alphabet in which letters are represented by combinations of long and short

signals of light or sound?
A
Email
B)
Morse code
Binary code
D
Digital Signal Reception
Wireless intern

Answer 1

b

Step-by-step explanation:

I got it right on the exam. Morse code is your answer.

Answer 2

B)

Morse code

Step-by-step explanation:

Morse code is a communication system developed by Samuel Morse, an American inventor, in the late 1830s. The code uses a combination of short and long pulses – dots and dashes, respectively – that correspond to letters of the alphabet.