Data Representation Basics

What is the decimal equivalent of the binary number 1010?

• 10

• 1111

• 101

• 1100

Convert the hexadecimal number 2F into binary.

• 11001111

• 00101011

• 10101111

• 00101111

Fill in the blank: 1101 is the binary representation of ________ in decimal.

• 13

• 21

• 15

• 7

What is the octal equivalent of the binary number 111?

• 67

• 45

• 23

• 31

Convert the decimal number 25 into binary.

• 11001

• 10011

• 10110

• 11100

Fill in the blank: A hexadecimal number is made up of ________ digits.

• 8

• 16

• 12

• 10

What is the binary equivalent of the octal number 76?

• 110111

• 101110

• 111110

• 100111

Convert the binary number 1001 into hexadecimal.

• B

• A

• C

• 19

Fill in the blank: The base of the hexadecimal number system is ________.

• 32

• 10

• 16

• 8

What is the decimal equivalent of the octal number 63?

• 51

• 58

• 37

• 24