What is the base of the binary number system?

• 3

• 10

• 8

• 2

How do you convert the decimal number 10 to binary?

• 1010

• 1000

• 1100

• 1011

What is the hexadecimal representation of the decimal number 255?

• FF0

• F0

• FE

• FF

What is the base of the octal number system?

• 10

• 12

• 6

• 8

Name one application of number systems in computer science.

• Octal number system for file permissions.

• Hexadecimal number system for color representation.

• Binary number system for data representation.

• Decimal number system for user input validation.