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请输入英文单字，中文词皆可：

byte    音标拼音: [b'ɑɪt]
n. 字节
n. 位元组

字节位元组

byte
位元组; 数元组的; 拜 B

byte
位元组 拜

byte
n 1: a sequence of 8 bits (enough to represent one character of
alphanumeric data) processed as a single unit of
information

/bi:t/ (B) A component in the machine {data hierarchy}
larger than a {bit} and usually smaller than a {word}; now
nearly always eight bits and the smallest addressable unit of
storage. A byte typically holds one {character}.

A byte may be 9 bits on 36-bit computers. Some older
architectures used "byte" for quantities of 6 or 7 bits, and
the PDP-10 and IBM 7030 supported "bytes" that were actually
{bit-fields} of 1 to 36 (or 64) bits! These usages are now
obsolete, and even 9-bit bytes have become rare in the general
trend toward power-of-2 word sizes.

The term was coined by Werner Buchholz in 1956 during the
early design phase for the {IBM} {Stretch} computer. It was a
mutation of the word "bite" intended to avoid confusion with
"bit". In 1962 he described it as "a group of bits used to
encode a character, or the number of bits transmitted in
parallel to and from input-output units". The move to an
8-bit byte happened in late 1956, and this size was later
adopted and promulgated as a standard by the {System/360}
{operating system} (announced April 1964).

James S. Jones adds:

I am sure I read in a mid-1970's brochure by IBM that outlined
the history of computers that BYTE was an acronym that stood
for "Bit asYnchronous Transmission E..?" which related to
width of the bus between the Stretch CPU and its CRT-memory
(prior to Core).

Terry Carr says:

In the early days IBM taught that a series of bits transferred
together (like so many yoked oxen) formed a Binary Yoked
Transfer Element (BYTE).

[True origin? First 8-bit byte architecture?]

See also {nibble}, {octet}.

[{Jargon File}]

(2003-09-21)

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英文字典中文字典相关资料:


  • . net - What is a byte [] array? - Stack Overflow
    A byte is 8 bits, and an array of byte, is an array of bytes It really is that simple The thing to keep in mind is that char and byte are different In old C style, a char and byte were basically the same thing In NET, characters are Unicode and can be anywhere from 8-32 bits per character This is where encoding comes into play
  • How do I initialize a byte array in Java? - Stack Overflow
    In Java 6, there is a method doing exactly what you want: private static final byte[] CDRIVES = javax xml bind DatatypeConverter parseHexBinary
  • How to convert byte[] to Byte[] and the other way around?
    Step back Look at the bigger picture You're stuck converting byte[] to Byte[] or vice versa because of Java's strict type casing with something like this List< Byte> or List<Byte[]> Now you have byte[] and Byte[] and have to convert This will help Keep all your byte[]s in a list like this: List<byte[]> instead of List< Byte> or List<Byte[]>
  • Is there byte data type in C++? - Stack Overflow
    namespace std { define std::byte enum class byte : unsigned char {}; }; This if your C++ version does not have std::byte will define a byte type in namespace std Normally you don't want to add things to std, but in this case it is a standard thing that is missing std::byte from the STL does much more operations
  • What exactly is a byte and what does it have to do with binary?
    That statement declares an array of bytes, and assigns to it 4 elements - each of those being a single byte (in theory!) in size The actual values - 85, 86, 67, 75 - stored in that array are each values that can fit into a single byte In your code sample, those values are represented in decimal form
  • math - Converting bytes to megabytes - Stack Overflow
    I've seen three ways of doing conversion from bytes to megabytes: megabytes=bytes 1000000 megabytes=bytes 1024 1024 megabytes=bytes 1024 1000 Ok, I think #3 is totally wrong but I have seen it I
  • Why is the range of bytes -128 to 127 in Java? - Stack Overflow
    Without getting into two's complement: 2^8 (since a byte is 8 digits and can have 1 of 2 values) = 256, so the most individual values a byte can represent is 256 so, representing the numbers -128 to -1 is half our range I believe the question here is why is the max positive value 127 rather than 128
  • python3: bytes vs bytearray, and converting to and from strings
    Note the difference between the last two: 'utf-16' specifies a generic utf-16 encoding, so its encoded form includes a two-byte "byte order marker" preamble of [0xff, 0xfe] When specifying an explicit ordering of 'utf-16-le' as in the latter example, the encoded form omits the byte order marker
  • What are bitwise shift (bit-shift) operators and how do they work?
    The Bitwise operators are used to perform operations a bit-level or to manipulate bits in different ways The bitwise operations are found to be much faster and are some times used to improve the efficiency of a program Basically, Bitwise operators can be applied to the integer types: long, int, short, char and byte Bitwise Shift Operators





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