Binary, Denary and Hexadecimal

What base is the binary number system?

• Base 2

• Base 8

• Base 10

• Base 16

Which number system is commonly used by computers for processing and storing data?

• Binary

• Decimal

• Hexadecimal

• Octal

What is the decimal equivalent of the binary number 1101?

• 13

• 12

• 14

• 15

How many symbols (digits) are there in the hexadecimal number system?

• 8

• 10

• 15

• 16

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

• 16

• 26

• 27

• 28

In the denary system, what is the place value of the rightmost digit?

• Ones

• Tens

• Hundreds

• Thousands

What is the binary representation of the denary number 25?

• 11001

• 10011

• 10101

• 11100

What is the hexadecimal equivalent of the binary number 110110?

• 1A

• 36

• 2D

• 26

In the hexadecimal system, what is the value of the digit 'A'?

• 10

• 11

• 12

• 13

In the decimal (denary) system, what is the highest single-digit number?

• 9

• 10

• 16

• F