Understanding Number Systems in Computers

What is the base of the binary number system?

• 2

• 8

• 10

• 16

Convert the decimal number 10 to binary.

• 1010

• 1011

• 1001

• 1100

What is the hexadecimal equivalent of the decimal number 255?

• FE

• F1

• F0

• FF

How many digits are used in the octal number system?

• 6

• 10

• 4

• 8

What is the binary representation of the decimal number 5?

• 101

• 1010

• 110

• 100

Convert the binary number 1011 to decimal.

• 11

• 14

• 12

• 10

What is the range of digits in the hexadecimal system?

• 0 to F

• 1 to 10

• 0 to 9

• A to Z

How do you convert a decimal number to binary?

• Add 1 to the decimal number and convert it directly to binary.

• Convert each digit of the decimal number to its hexadecimal equivalent.

• Divide the decimal number by 2, record the remainders, and read them in reverse.

• Multiply the decimal number by 2 and read the results in order.

What is the octal representation of the decimal number 8?

• 10

• 12

• 20

• 8

What is the binary equivalent of the hexadecimal number A?

• 1110

• 0101

• 1010

• 1001