Year 8 Hexadecimal L2

What is the name of the Base 16 number system (uses only 16 numbers)?

• Binary
• Denary
• Hexadecimal
• Hexademical

Which letters does hexadecimal use?

• A B C D E F
• A B C D E F G
• A B C D E
• A B C

How do we write the letter E in binary (4 bit binary)?

• 1110
• 1100
• 1111
• 1010

What is the hexadecimal value for the binary number 1011?

• A
• B
• C
• D

What is the hexadecimal value for the binary number 0010 1101?

• 2A
• 2B
• 2C
• 2D

What is the hexadecimal value for the binary number 1010 0111?

• A6
• A7
• A8
• A9

What is the denary value for the hexadecimal number C8?

• 1100 1000
• 1100 1001
• 1100 0001
• 1000 1100

Why do we use hexadecimal?

• Easier to remember 1 hex digit (compared with 4 binary digits)
• Easier to understand
• Because the computer understands it

What is the maximum hexadecimal number I can use with 8 bits (1111 1111)?

• EE
• FF
• EA
• FA

What is the denary value for the hexadecimal number EA?

• 224
• 234
• 244
• 254