Number Systems Iar Practice

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

If 1 and 0 mean on and off. Is the number 1 on or off?

• ON
• OFF

Which number system is Base 8 and uses 0, 1, 2, 3, 4, 5, 6, 7?

• Binary

• Decimal

• Octal

• Hexadecimal

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

• 128, 64, 32, 16, 8, 4, 2, 1

• 1, 2, 4, 8, 16, 32, 64, 128

• 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

• 0, 1

Convert 65 to binary

• 01100001
• 00100001
• 01000001
• 00100101

Convert 128 to binary

• 10000000
• 01111110
• 10000001
• 11001100

Convert 00100100 to decimal

• 26
• 36
• 46
• 56

Convert 00010001 to decimal

• 17
• 27
• 37
• 47

Convert the Hex number 1F to binary.

• 00111111
• 00001111
• 00010111
• 00011111

Convert the Hex number 93 to binary.

• 01010011
• 10100011
• 10010011
• 10010010