Exploring Number Systems and Conversions

Binary number for 12.

• 1011

• 1101

• 1100

• 0101

What is the binary representation of the decimal number 13?

• 1100

• 1101

• 1011

• 1110

Convert the decimal number 45 to binary.

• 101101

• 110101

• 101011

• 111001

What is the decimal equivalent of the hexadecimal number 1A?

• 26

• 28

• 30

• 32

• 11000

• 10100

• 10110

• 11100

Which of the following is an application of hexadecimal numbers?

• Representing binary data in a compact form

• Calculating square roots

• Solving linear equations

• Measuring temperature

How many bits are there in a byte?

• 4

• 8

• 16

• 32

Convert the binary number 101010 to decimal.

• 42

• 44

• 46

• 48

What is the hexadecimal representation of the decimal number 255?

• FF

• F0

• 0F

• 1F

• 0011

• 0101

• 0111

• 1001