Before the widespread use of telegraph wires wh... - JSS1 Computer Sudies Methods of transmitting information I Question
Before the widespread use of telegraph wires, what visual signaling method employed the dots and dashes of Morse code?
A
Semaphore Systems
B
Carrier Pigeons
C
Morse Code with Visual Signals
D
Heliographs
correct option: c
Please share this, thanks:
Add your answer
No responses