ASCII is (0-127) 7 bit (1111111) representation of keyboard keys.
@ = 64
A = 65
Delete Key = 127
Hexa Decimal is represented by 4 binary digits.
Unicode assigns each character a unique number, or code point
UTF-8 is the encoding format,
1- byte encoding
2 -byte encoding
3- byte encoding
4 -byte encoding
Below screenshot is 4 byte encoding.
https://www.youtube.com/watch?v=sqPTR_v4qFA
https://www.youtube.com/watch?v=5aJKKgSEUnY
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