Pre-Test Unit 9 Digital Communication

The change from analogue electronic and mechanical technology to digital electronics

• Oral tradition

• Telecommunications

• A telegram

• Digital evolution

Pictures or symbols used as language, for example, in ancient Egypt

• Hieroglyphs

• A printing press

• Oral tradition

A way that stories and information about a culture are passed down through families by speaking about them

• A telgraph

• A printing press

• Oral tradition

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

• Telecommunications

• A telegraph

• Hieroglyphs

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

• telecommunications

• A printing press

• Satellite communication

communication over a distance, especially by phone, radio and television

• Satellite communication

• a telegraph

• telecommunications

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

• Hieroglyphs

• a printing press

• a telgraph

Look at the sentence and circle what is being inferred.

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.

What is being inferred.

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.

What is being inferred?

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.