Year 7 Data Representation Test

What is your Full name?

What is your Form Group?

Continuous data, eg the second hand on an analogue watch displays each second and the space in between.

• Analogue
• Digital
• Sampling
• I don't know

Information stored as separate values usually represented as numbers.

• Analogue
• Digital
• Sampling
• I don't know

What is the name of the numbering system containing 0s and 1s that computers use?

• Denary
• Binary
• Ternary
• Hexadecimal
• I don't know

A single binary digit is called a...?

• Byte
• Nybble
• Bit
• Kilobyte
• I don't know

Using the cards in the image, convert this binary number 01101 to denary (normal counting system): (a)  

• 13

• 10

• 15

• 12

Answer explanation

Answer Explanation highlighting the conversion of binary number 01101 to denary (normal counting system) resulting in 13.

Using the cards in the image, convert this binary number 11111 to denary (normal counting system): (a)  

• 31

• 15

• 7

• 63

Answer explanation

To convert the binary number 11111 to denary, each digit represents a power of 2 starting from the right. Adding these powers gives 31, so the correct denary value is 31.

Using the cards in the image, convert the denary number 7 to binary.

Using the cards in the image, convert the denary number 22 to binary.