Binary, ASCII and binary addition

What is binary?

• A part of a computer
• The way computers talk to each other
• A computer programme
• Software for a computer

What two digits are used in binary?

• 0 & 2
• 1&2
• 0&1
• 1&1

Why do computers only use 1's and 0's to store binary data?

• Its easier than storing letters
• They use electricity which is either ON or Off
• They can't remember any other numbers

If 1 and 0 mean on and off, is the number 1 on or off?

• on
• off

Which one of these binary number is even?

• 10011001
• 1010101
• 11100010

Binary is also known as

• Base 1
• Base 2
• Base 10
• Base jumping

A single 0 or 1 is known as a

• Bit
• Byte
• Nibble
• Binary

How many bits are there in a byte?

• 2
• 4
• 8
• 10

The missing column header on the left should be

• 6
• 7
• 8
• 16

Binary numbers can be used to store any letter or value on a computer.

• false
• true