5 ICT

What is binary representation?

• A system that uses three symbols, 0, 1, and 2, to represent data.

• A method for encoding text using only letters of the alphabet.

• Binary representation is a system that uses two symbols, 0 and 1, to represent data.

• A way to represent data using decimal numbers instead of binary.

How many digits are used in binary?

• 3

• 2

• 4

• 8

What is the binary equivalent of the decimal number 2?

• 10

• 01

• 11

• 20

What is the binary equivalent of the decimal number 5?

• 100

• 110

• 111

• 101

What does the binary digit '1' represent?

• A representation of a negative value.

• The absence of a value or 'off' state.

• A symbol for a decimal number.

• The presence of a value or 'on' state.

What does the binary digit '0' represent?

• The absence of a value or a low state.

• An indication of an error state.

• A representation of the number one.

• The presence of a value or a high state.

How do you convert the binary number 101 to decimal?

• 3

• 4

• 6

• 5

What is the binary representation of the decimal number 10?

• 1010

• 1001

• 1011

• 1100

What is the base of the binary number system?

• 10

• 8

• 16

• 2

How many possible values can one binary digit represent?

• 1

• 4

• 8

• 2