Binary Code Formative Assessment

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

Which of the following numbers is represented in binary as 1011?

• 7

• 8

• 11

• 13

Which of the following numbers is represented in binary as 11110?

• 14

• 24

• 30

• 36

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.

• true

• false

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

• true

• false

It is impossible to represent the decimal number, 64, in binary code.

• true

• false

Computers don't really need binary code, it's just to confuse people.

• true

• false