Video 1: In the following video you'll learn the following

• Number systems explanation
• Convert from binary to denary
• Convert from denary to binary

Video 2: In the following video you'll learn the following

• Hexadecimal number system
• Convert from binary to Hexadecimal
• Convert from Hexadecimal to binary

Video 3: In the following video you'll learn the following

• Convert from hexadecimal to denary
• Convert from denary to hexadecimal

Video 4: In the following video you'll learn the following

• Uses of the binary number system
• Why hexadecimal

Homework correction:

Convert from Denary to Binary

• 155 =10011011
• 247 = 11110111

Convert from Binay to Derany

• 11001010 = 202
• 11110100 = 244

Convert from Binary to hexadecimal

• 101101101100 = B6C
• 11110101101 = 7AD

Convert from hexadecimal to Binary

• F4 = 11110100
• B9 = 10111001

Convert from hexadecimal to Denary

• A84 = 2692
• 9C6 = 2502

Convert from Denary to hexadecimal

• 141 = 8D
• 570 = 23A