| 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 210 | 211 | 212 |
| 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 | 256 | 512 | 1024 | 2048 | 4096 |
| 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit
a zero or one. one digit. on or off
Byte
eight bits. octet.
- what is 00000010 in decimal?
- 0 0 0 0 0 0 1 0 = decimal
- look at the places and pull down from the chart so the 1 is in the “two” place so this is equal to 2 in decimal
- what is 10000010 in decimal?
- 128 + 2 = 130
- what is 11111111
- 128 + 64 + 32 + 16 + 8 + 4 + 2 + 1 = 255 decimal
- What is 154 in binary?
- 10011010
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