О. В. Фёдорова е. В. Мезина е. В. Хамис английский язык в сфере информационных технологий и коммуникаций учебное пособие

EXERCISE 5 Answer the questions

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• Text II Fiber-Optic Cables

EXERCISE 5 Answer the questions What was the original medium for telecommunications? What is still the primary means for telephone connections? What did the Wire line transmission start from? What is the main purpose of coaxial cable? Text II Fiber-Optic Cables EXERCISE 1 Find the mistake in each line. It can be either the usage of article, modal verb, adverb, grammar tenses, nouns, pronoun or preposition. 0 Fiber-optic cables use specially treated glass that could 1transmit signals on the form of pulsed beams of laser 2light. Fiber-optic cables carry much times more 3informations than copper wires can and they can transmit жүктеу/скачать 0.79 Mb. Достарыңызбен бөлісу: