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It's called UTF-8 because the code unit is 8 bits. Each code unit provides some of the bits needed for the 21-bit Unicode codepoint. A codepoint requires 1 to 4 UTF-8 code units.
Apr 3, 2024 · Efficiency: 8 bits create a balance between not having enough options (which would limit what computers can do) and having too many options (which would make computers more complex and...
A byte doesn't have to be 8 bits, but it appears that C and C++ define a byte as being at least 8 bits (although it could be more). This question on Stack Overflow mentions a few systems where 1 byte is not 8 bits.
Efficiency: 8 bits create a balance between not having enough options (which would limit what computers can do) and having too many options (which would make computers more complex and expensive). It's the "just right" size for a wide range of tasks.
To disambiguate arbitrarily sized bytes from the common 8-bit definition, network protocol documents such as the Internet Protocol (RFC 791) refer to an 8-bit byte as an octet. [3] Those bits in an octet are usually counted with numbering from 0 to 7 or 7 to 0 depending on the bit endianness.
In a chip: electric charge = 0/1. In a hard drive: spots of North/South magnetism = 0/1. A bit is too small to be much use. Group 8 bits together to make 1 byte. Everything in a computer is 0's and 1's. The bit stores just a 0 or 1: it's the smallest building block of storage. Byte. One byte = collection of 8 bits. e.g. 0 1 0 1 1 0 1 0.
Jun 13, 2023 · Bits to Bytes: To convert bits to bytes, divide the number of bits by 8. For example, 24 bits equate to 3 bytes (24 bits ÷ 8 = 3 bytes). Bytes to Bits: To convert bytes to bits, multiply the number of bytes by 8. For instance, 5 bytes correspond to 40 bits (5 bytes × 8 = 40 bits).
