UNIT 9 Digital Communication

The change from analogue and mechanical to digital electronics

• Oral tradition

• A telegram

• Telecommunications

• Digital evolution

Pictures or symbols used as language in ancient Egypt

• Hieroglyphs

• A printing press

• Oral tradition

• Ottoman calligraphy

A way that stories are told from generation to generation by speaking

• A telegraph

• A printing press

• Oral tradition

• Video recordings

an old-fashioned way of sending messages using radio or electric signals

• Telecommunications

• A telegraph

• Hieroglyphs

• smoke signals

a method of communication using equipment that moves around the Earth to receive and send signals

• telecommunications

• A printing press

• Satellite communication

• Morse code

communication over far distances by phone, radio and television

• Satellite communication

• a telegraph

• telecommunications

• distance education

a machine that makes copies of books, magazines, newspapers, etc.

• Hieroglyphs

• A printing press

• A telegraph

• photocopy machine

Look at the sentence- what does it mean?

"Using emojis in text messaging isn't necessarily a bad idea."

• You should not use emojis.

• Emojis are a new way of messaging.

• It can be a good idea to use emojis.

• Emojis express your emotions

What does this sentence mean?

"Sending short, to-the-point messages is as old as the hills."

• People started to send short messages quite recently.

• People have been sending short messages for a very long time.

• Hills are like text messages.

• Hills are very old.

What does this sentence mean?

"The introduction of the telegraph was a huge success."

• Everyone said how much they liked the telegraph

• Not many people used the telegraph when it started

• Many people used the telegraph from the very beginning.

• People became rich.