Data Representation Assessment Year 10

Which of these lists correctly orders the binary numbers from largest to smallest?

• 1010, 1011, 0101, 0010
• 1100, 1000, 1101, 0001
• 1001, 1100, 0100, 0011
• 1100, 1011, 1001, 0100

Which of the indicators on this cell phone interface could represent a single bit of information. Choose 2 answers.

• Brightness
• Airplane mode
• WiFi
• Music - play , forward, rewind
• Volume of sound

How many bits in 2 bytes?

• 2
• 8
• 16
• 64

Convert 39 from decimal to binary

(a)  

Convert 63 to binary, written as a byte

(a)  

Convert the binary number 001100 to decimal

(a)  

What is the highest decimal number you can represent using 8 bits?

(a)  

What does RGB in the colour picker stand for?

(a)  

How many bits are used for one ASCII character?

(a)  

You have 8 candles to represent the binary equivalent for your nan's birthday cake. She turns 72. Which candles should be lit(use a 1) and which should not be lit(use a 0) to represent the binary version of 72?

Write your answer in binary code.

(a)