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100

transmit

передавать

100

беспроводной

wireless

100

доставлять

to deliver

100

Telecommunication embraces all devices and systems that __________ electronic signals across long distances.

transmit

100

What kind of telecommunications systems do you use every day?

telephone

200

telegraph key

телеграфный ключ

200

трансляция

broadcast

200

проводной

wire-based

wire-line

wired

200

Telecommunication devices ___________ different types of information into electronic signals.

convert

200

How do we call a small membrane in the telephone?

diaphragm

300

medium

среда передачи

300

преобразовывать

convert

300

беспроводной

wireless

300

Point-to-multipoint telecommunications s often called ____________ .

broadcast

300

What is the earliest method of delivering telecommunications?

The telegraph

400

network

сеть

400

частота

frequency

400

оптоволоконный

fiber-optic

400

Specific sequences of dots and ______ represent letters of the alphabet.

dashes

400

What cables are made of specially treated glass  that can transmit signals in the form of pulsed beams of laser light?

Fiber-optic cables

500

to emit

излучать

500

расшифровывать

decode

500

медный провод

copper wire

500

Most personal computers ____________ with each other and with the Internet, by using the ordinary telephone network.

communicate

500

What type of communications provide a means of transmitting telecommunications all over the globe without wires and cables?

satellite

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