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The byte is a unit of digital information that most commonly consists of eight bits. Historically, the byte was the number of bits used to encode a single character of text in a computer [1] [2] and for this reason it is the smallest addressable unit of memory in many computer architectures.
Current software uses encodings based on 8 (UTF-8), 16 (UTF-16) or 32 (UTF-32) bit code units, combining multiple code units to form a single code point where necessary, but those bits sizes are a consequence of the hardware, not of the character set.
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.
21 Αυγ 2024 · A group of eight bits is known as a Byte. 1 Byte can represent numbers between zero (00000000) and 255 (11111111), or 2 8 = 256 distinct positions. Of course, these bytes may also be combined to represent larger numbers.
3 Μαρ 2021 · When we combine eight bits together, we form a byte. A byte is a human concept, not one which a computer can understand at it cores. Very early computer developers decided to create bytes out of 8 bits. Let's see how many combinations we can create using eight bits, set to a state of 0 or 1: 0000 0000 = 0. 0000 0001 = 1.
With 8 bits in a byte, you can represent 256 values ranging from 0 to 255, as shown here: 0 = 00000000. 1 = 00000001. 2 = 00000010. ... 254 = 11111110. 255 = 11111111. In the article How CDs Work, you learn that a CD uses 2 bytes, or 16 bits, per sample.
Data unit conversion is very simple when using bytes, as you simply add/remove a specific number of zeros to get the correct value. While a byte is very tiny, a kilobyte equals 1000 bytes, and a megabyte (1 MB) is the same as 1,000,000 bytes (or 8,000,000 bits).
