Binary Code and Pixels

What is binary code?

• A code that uses letters and numbers to represent information.

• code that uses only two digits, 0 and 1, to represent information.

• A code that uses only letters to represent information.

How many digits are used in binary code?

• one

• two

• three

• two hundred and fifty six

What is the decimal equivalent of the binary number 1010?

• 3

• 5

• 7

• 10

Binary code is a code that uses only two digits, 0 and 1, to represent information.

• true

• false

One binary digit is called a bit, also known as the smallest piece of data

• true

• false

Binary code is used in computers to represent data and instructions.

• true

• false

Tags

NGSS.MS-PS4-3

Is the binary number 1101 equivalent to the decimal number 13?

• True

• False

Is the decimal number 7 equal to 111 in binary code?

• True

• False

What is the place value system of the binary code? What happens at each step?

• 128, 64, 32, 16, 8, 4, 2, 1. The system doubles at each step to the left.

• 1, 2, 4, 8, 16, 32, 64, 128. The system doubles each step to the right.

Select which device that uses binary code.

• computer

• mobile phone

• printer

• all of the above