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Numeral system
Base 10: Decimal number ex) 6357 = 6000 + 300 + 50 + 7 = (10^3 x 6) + (10^2 x 3) + (10^1 x 5) + (10^0 x 7)
Base 2: Binary number - Each digit is a bit (0, 1)
*1 Byte = 8 bits
1 Kilobyte (KB) = 2^10 bytes = 1024 bytes = 8192 bits 1 Megabyte (MB) = 2^20 bytes = 1,048,576 bytes 1 Gigabyte (GM) = 2^30 bytes 1 Terabyte (TB) = 2^40 bytes 1 Petabyte (PB) = 2^50 bytes 1 Exabyte (EB) = 2^60 bytes 1 Zetabyte (ZB) = 2^70 bytes 1 Yottabyte (YB) = 2^80 bytes
8 bits = 1 byte = 256 values (2^8)
ex) Table: decimal to binary (10101110)
Base 16: Hexadecimal 0 ~ 9 & A (=10), B (=11), C (=12), D (=13), E (=14), F (=15)
ex) ABC2 = (16^3 x 10) + (16^2 x 11) + (16^1 x 12) + (16^0 x 2) = 40960 + 2816 + 192 + 2 = 43970
A0B5 = (16^3 x 10) + (16^2 x 0) + (16^1 x 11) + (16^0 x 5) = 40960 + 0 + 176 + 5 = 41140
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