1. # of Bits is powers of 2 - not conversions
Possibilities 2 4 8 16 32
BITS 1 3 5

2. How many bits would I need to represent the coordinates of the following grid
If you have a 5X5 Grid 1 2 3 4 5

3. 5X8 Grid STILL 6 bits because in 3 bits I can get 8 possible answers

4. What if 4 more show up – how many bits?
If I have 4 people for dinner how many bits would it take to represent them?
2 bits – Powers2,4
What if 4 more show up – how many bits?
Powers 2,4, bits

5. What is the minimum number of bits that you will need to encode a coordinate in that space?
15 X 8 4 bits for X and 3 for y 2,4,8,16 and 2,4,8 20 X 10 2,4,8,16,32 and 2,4,8, =9

6. Why do computers use binary?
Easier
Cheaper
More reliable

7. ASCII How many bits per character?
Convert iPad to binary with an ASCII chart

8. Quizizz
Binary Game