Understanding Number Systems and Storage

Which of the following is a base-2 number system?

• Decimal

• Binary

• Octal

• Hexadecimal

What is the binary equivalent of the decimal number 13?

• 1101

• 1011

• 1110

• 1001

Convert the binary number 101101 to decimal.

• 45

• 53

• 37

• 61

Which of the following is the hexadecimal representation of the decimal number 255?

• 1F

• FF

• F0

• AF

• 10

• 16

• 32

• 64

Which of the following is NOT a type of number?

• Rational number

• Imaginary number

• Real number

• Fractional number

Which of the following is a natural number?

• -3

• ½

• 7

• -1

Which of the following is an irrational number?

• 0.25

• 5

How many bytes are there in a kilobyte (kB) according to the SI standard?

• 1000

• 1024

• 512

• 2048

How many bytes are there in a kibibyte (KiB)?

• 1000

• 1024

• 2048

• 512