Binary - Denary Conversions

What are the only two numbers you can use in binary?

• 0 and 1
• 1 and 2
• 1, 2, 3, 4, 5, 6, 7, 8, 9, 10
• 1, 2, 4, 8, 16

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Convert the Hex number B9 to binary.

• 10111001
• 10111000
• 10111101
• 10101001

Which number system are these examples of?
2A    7F    1C

• Binary
• Denary
• Hexadecimal

Which number system are these examples of?
1011      001011      10110101

• Binary
• Denary
• Hexadecimal

What is 1111 converted into denary?

• 15
• 16

Computers store all data using...

• Binary

• Hexadecimal

• Denary

• Octal

Computers use binary to store data.

• True

• False

11010111 in binary is...

• ODD

• EVEN

Which of these is the correct sequence for the place values for binary numbers?

• 1, 2, 4, 8, 16, 32, 64, 128
• 1, 2, 4, 6, 8, 10, 12, 14, 16
• 1, 2, 3, 4, 5, 6, 7, 8
• 0, 1