NUMBER SYSTEM CONVERSIONS

The most commonly used numbering system in real life is ___ number system.

• Decimal

• Binary

• Hexadecimal

• Octal

To convert Decimal to binary , this method can be used.

• Repeated multiplication by 2

• Repeated division by 2

• Sum of Powers of 2

• either b or c

Binary equivalent of 2₁₀ is

• 100₂

• 01₂

• 10₂

• 001₂

Binary equivalent of 8₁₀ is

• 1000₂

• 1010₂

• 1011₂

• 100₂

Convert the 4-bit binary number 1101 to a decimal number.

• 13

• 11

• 12

• 10

Convert the 8-bit binary number 1001 1011 to a 2-bit hexadecimal number.

• 9B

• 9C

• 8F

• 9D

The smallest unit of data that use is:

• a bit
• a byte
• a gigabyte
• a megabyte

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

How many bits make a byte?

• 2

• 4

• 8

• 16

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