j9 Y8 S1 End of unit Assessment

What does the word ‘bit’ mean in Computing?

• Very small piece
• Binary digit
• A group of 8 0s and 1s
• A sequence of 0s and 1s

Which of the following is a binary digit?

• 2
• bit
• 0
• 01

Which two of the following would you characterise as ‘binary’?

• A switch
• An oven knob
• A dice
• A coin

Which of the following is a byte?

• 8
• bit bit bit bit bit bit bit bit
• 01100101
• 1

How many different sequences of 3 binary digits can there be?

• 3
• 6
• 8
• 9
• Infinite

How many different sequences of 5 binary digits can there be?

• 5
• 10
• 25
• 32
• Infinite

What is the size or length of this sequence of binary digits: 101?

• 2 bits
• 3 bits
• 5
• 101

Here is a sequence of binary digits: 011000101110010100110100010001110101001110001010101 What could this sequence represent? What could it mean?

• A piece of text
• A number
• A set of instructions
• Musical notes
• Any piece of information

Which of the following binary numbers is equivalent to decimal 4?

• 10
• 100
• 1010
• 1111

Which of the following binary numbers is equivalent to decimal 9?

• 101
• 1001
• 1010
• 10000