Number Systems and Conversions Quiz

What is the base of the binary number system?

• 8

• 2

• 10

• 16

Which number system uses digits from 0 to 7?

• Octal

• Binary

• Hexadecimal

• Decimal

What is the hexadecimal representation of the decimal number 10?

• C

• B

• A

• D

How many digits are used in the decimal number system?

• 16

• 10

• 8

• 12

What is the result of converting the decimal number 12345 to binary?

• 11100011011001

• 11000000111001

• 10010001111001

• 10111101111001

Which of the following is NOT a valid digit in the hexadecimal number system?

• A

• F

• 9

• G

What is the process of converting binary to octal?

• Grouping binary digits into sets of four

• Grouping binary digits into sets of three

• Subtracting binary digits

• Adding binary digits

What is the base of the octal number system?

• 2

• 8

• 10

• 16

Which of the following is a characteristic of XML?

• It is only used for web pages

• It is a programming language

• It is extensible

• It is a presentation language

What is the result of the binary addition 00011010 + 00001100?

• 00101000

• 00100110

• 00100100

• 00100111