KS3 Digital data, Binary/Denary Conversion, Binary Addition

Convert 1101 to decimal.

• 15

• 11

• 13

• 12

Convert 10110 to decimal.

• 12

• 22

• 26

• 122

Convert 100011 to decimal.

• 135

• 45

• 53

• 35

What is binary?

• The way a computer works

• A sequence of 1's and 0's

• The day to day counting number system

• None of the above

The decimal number system is which base?

• Base 2

• Base 16

• Base 10

• Base 9

How many bytes make a kilobyte?

• 100

• 1024

• 1 million

• 256

Convert 194 to binary.

• 111000110

• 11000010

• 10001101

• 11000111

Convert 76 to binary.

• 1001110

• 1100011

• 1001100

• 1011100

Add 100101 + 100010.

• 01001111

• 00110011

• 01000111

• 01100011

Add 110111 + 111010.

• 01110101

• 01100011

• 01110011

• 01110001