Binary Number System

Rohan is learning about computers and he asked Maya, 'What is the number system that computers use?'

• Decimal

• Binary

• Hexadecimal

• Octal

Charlotte, Ethan, and Samuel are learning about number systems. They realize that the value of a digit in any number system depends on what?

• Its position in the number

• The number of zeros in the number

• The number of ones in the number

• The color of the digit

Abigail, Michael, and William are learning about binary numbers in their computer science class. Their teacher asks them, 'What is the largest number that you can represent with four bits in binary?'

• 7

• 8

• 15

• 16

Anika, Charlotte, and Luna are learning about binary numbers in their computer science class. Their teacher asked them, 'What is the largest number that you can represent with five bits in binary?'

• 15

• 16

• 31

• 32

Benjamin is learning about binary numbers in his computer science class. He wants to know the largest number that can be represented using six bits in binary. Can you help him?

• 31

• 32

• 63

• 64

What is the value of 2 to the 3rd power?

• 2

• 4

• 8

• 16

Henry, Abigail, and David are learning about binary numbers in their computer science class. Their teacher asks them to find the largest number that can be represented with seven bits in binary. What is the largest number they can represent with seven bits?

• 63

• 64

• 127

• 128

Consider the 4-bit binary numbers 0011, 0110, and 1111. Which of the following decimal values is NOT equal to one of these binary numbers?

• 3

• 6

• 9

• 15

Hannah, Emma, and Charlotte are in charge of assigning ID numbers to new students at their school. The ID numbers are assigned sequentially, and the last student who enrolled was assigned the binary number 1001 0011. What binary number will be assigned to the next student who enrolls?

• 1001 0100

• 1001 0111

• 1101 0100

• 1101 0111

Consider the following numeric values.

• Binary 1011

• Binary 1101

• Decimal 5

• Decimal 12

Which of the following lists the values in order from least to greatest?

• Decimal 5, binary 1011, decimal 12, binary 1101

• Decimal 5, decimal 12, binary 1011, binary 1101

• Decimal 5, binary 1011, binary 1101, decimal 12

• Binary 1011, binary 1101, decimal 5, decimal 12