8.02 Y10 ASCII

What is ASCII for

• a numerical code for letters

• A way of checking binary numbers

• American writing rules

• Chinese letters

What does ASCII stand for

• American Scheme for Colours In the Internet

• Any Set of Characters In the Internet

• All Set Characters In Information

• American Standard Code for Information Interchange

How many bits does ASCII use for 1 letter?

• 8

• 10

• 2

• 1

How is Unicode similar to ASCII

• They both represent letter characters

• They both use 8 bits

• They both have Chinese characters

• They were both invented by British scientists

How is Unicode different from ASCII

• Unicode has fewer characters

• Unicode has more characters

• Unicode isn't for letters

• Unicode doesn't have numbers

Unicode can represent emojis

• True

• False

ASCII can represent an emoji

• True

• False

What two digits are used in binary?

• 0 & 2

• 1 & 2

• 0 & 1

• 1 & 1

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8

• 1, 2, 4, 6, 8

• 1, 2, 3, 4,

• 0, 1

How would you write the number two in binary?

• 1001

• 0001

• 0000

• 0010