Representing data

What is binary?

• A number system with ten symbols, 0 to 9

• A number system with two symbols, 0 and 1

• A type of computer

• A language for computers

What does ASCII stand for?

• Automated System for Code Interchange

• Advanced System for Computer Information

• American System for Computer Integration

• American Standard Code for Information Interchange

How many characters can ASCII code store?

• 128 characters

• 256 characters

• 512 characters

• 1024 characters

What is Unicode used for?

• Encoding text in different languages

• Creating computer games

• Compressing images

• Storing sound files

What happens when a key on a keyboard is pressed?

• It is converted into a binary number

• It is converted into an image

• It is displayed directly on the screen

• It is stored as a sound file