Working of Bits

Question

How does the bits works??Decoding of bits?? Why we use only 0 and 1??

Answer 1

To convert the binary to decimal, it's like you have a box of 4 columns.

For example : 8
|------|-----|-----|-----|
|8 |4 |2 |1 |
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Output : 1000 is 8.

Answer 2

0 and 1 is a binary (as a true and false)
- 0 : No current eletric
- 1 : Current eletric

Answer 3

Well for a computer, bits are easier to read and process. Why ? It only contain 2 state of on and off, even a single cable are enough to transmit a binary by switch the voltage on and off