Binary Numbers

Binary number for 12.

• 1011

• 1101

• 1100

• 0101

Binary number for 9.

• 1111

• 1001

• 1100

• 0111

Binary number for 10.

(a)  

Change Binary number 0101 into Base 10.

• 15

• 11

• 7

• 5

Change Binary number 1101 into Base 10.

• 11

• 15

• 13

• 9

Change Binary number 1110 into Base 10.

• 4

• 8

• 12

• 14

Who invented the binary system?

• Pingala

• Pingula

• Charles Babbage

• Tim Berners Lee

Each digit in Binary number system is called

• bit

• bite

• binary

Change Binary number 1111 into Base 10.

• 10

• 12

• 15

• 16

Change Binary number 1001 into Base 10.

(a)