Binary

Convert 254 to binary

• 11110000
• 11111100
• 11111111
• 11111110

Binary is made up of which numbers 

• 3 and 4.
• 2 and 3.
• 1 and 2.
• 0 and 1.

What is 1011 in denary?

• 11
• 14
• 26
• 1011

Which of these are the correct place values for binary?

• 128,64,32,16,8,4,2,1

• 128, 68,34,12,6,4,2,1

• 1,0

• 0,1

What kind of 'base' system is binary known as?

• Base 12

• Base 8

• Base 2

• Base 10

Binary uses 1’s & 0’s to represent data

• True
• False

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

What kind of data does a computer represent with binary?

• numbers
• letters
• pictures
• all of the above

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

How would you write the number two in binary?

• 1001
• 0001
• 0000
• 0010