transmit
передавать
беспроводной
wireless
доставлять
to deliver
Telecommunication embraces all devices and systems that __________ electronic signals across long distances.
transmit
What kind of telecommunications systems do you use every day?
telephone
telegraph key
телеграфный ключ
трансляция
broadcast
проводной
wire-based
wire-line
wired
Telecommunication devices ___________ different types of information into electronic signals.
convert
How do we call a small membrane in the telephone?
diaphragm
medium
среда передачи
преобразовывать
convert
беспроводной
wireless
Point-to-multipoint telecommunications s often called ____________ .
broadcast
What is the earliest method of delivering telecommunications?
The telegraph
network
сеть
частота
frequency
оптоволоконный
fiber-optic
Specific sequences of dots and ______ represent letters of the alphabet.
dashes
What cables are made of specially treated glass that can transmit signals in the form of pulsed beams of laser light?
Fiber-optic cables
to emit
излучать
расшифровывать
decode
медный провод
copper wire
Most personal computers ____________ with each other and with the Internet, by using the ordinary telephone network.
communicate
What type of communications provide a means of transmitting telecommunications all over the globe without wires and cables?
satellite