Learn the fundamental concepts of computer programming
Hexadecimal (Base-16) is a number system used heavily in computing because it provides a human-friendly way to represent binary.
It uses 16 symbols: 0-9 to represent values zero to nine, and A, B, C, D, E, F to represent values ten to fifteen.
One hexadecimal digit can exactly represent 4 binary bits. Therefore, a full 8-bit Byte can be written cleanly as just two hex characters (e.g., FF instead of 11111111).
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