Unit 6 - Digital Devices

What machine was invented by Johannes Gutenberg and helped people produce books quickly?

• loom

• printer

• printing press

• telegraph

What was the first machine that could send messages over long distances?

• fax machine

• radio

• telegraph

• telephone

Steam engines were an important invention for the Industrial revolution.

• TRUE

• FALSE

Samuel Morse invented the Braille writing system for deaf people.

• TRUE

• FALSE

Which word means to create a model?

• evaluate

• product

• prototype

You should use your real name when you play online games so your friends can find you easily.

• TRUE

• FALSE

It's a good idea to use headphones to listen to loud music when you walk home.

• TRUE

• FALSE

A list of instructions we give to a computer is called an algorithm.

• TRUE

• FALSE

What is the process of finding and correcting errors in algorithms?

• debugging

• disinfecting

• hacking

• trolling

When the design process is done well the prototype is usually perfect first time.

• TRUE

• FALSE