Representing text

What is the formula used to determine the number of combinations for 2 bits?

• 2 + 2

• 2 × 2

• 2²

• 2 - 2

If you have 2 bits, how many combinations can you create?

• 2

• 3

• 4

• 5

What is the result of 2 to the power of 4?

• 8

• 12

• 16

• 20

How many combinations are possible with 4 bits?

• 8

• 12

• 16

• 20

What is the formula to determine the number of combinations of n bits?

• n^2

• 2^n

• n + 2

• 2n

When is the table most handy according to the text?

• When working with 16 bits or less

• When working with 8 bits or less

• When working with 4 bits or less

• When working with 2 bits or less

How many bits are needed to represent all 26 letters of the alphabet?

• 3 bits

• 4 bits

• 5 bits

• 6 bits

How many combinations of 1s and 0s are needed to represent each letter of the alphabet?

• 16 combinations

• 26 combinations

• 32 combinations

• 64 combinations

How many combinations does 5 bits give you?

• 16 combinations

• 26 combinations

• 32 combinations

• 64 combinations

What are some of the things needed for writing?

• Upper-case letters

• Lower-case letters

• Colors

• Shapes