'This type of cable contains threads of glass that transmit signals in the form of pulses of light'
fiber optic
YOU GET AN F: This type of cable contains threads of glass that transmit signals in the form of pulses of light
This type of cable contains threads of glass that transmit signals in the form of pulses of light
This type of cable contains threads of glass that transmit signals in the form of pulses of light
YOU GET AN "F"
fiber optic
YOU GET AN "F"