Computers Online Part 2

Which of the following would you characterise as 'binary'?

• A switch

• An oven knob

• A dice

• A coin

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

• 3

• 6

• 8

• 18

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

• 10

• 25

• 30

• 32

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

• Any piece of information

Select the sizes that are equivalent to 8,000 bits:

• 1,000 bytes

• 8,000 bytes

• 64,000 bytes

• 8 kilobits

• 8 megabits

Select the sizes that are equivalent to 500MB (megabytes):

• 500Mb (megabits)

• 0.5kB (kilobytes)

• 5,000kB (kilobytes)

• 0.5GB (gigabytes)

• 5,000GB (gigabytes)

Which prefix would you use to describe a quantity that is in the billions?

• Kilo-

• Mega-

• Giga-

• Tera-

Which of the following decimal numbers is equivalent to binary 1011?

• 19

• 22

• 23

• 1011

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