8 bits is called "byte". How is 16 bits called? "Short"? "Word"?
大约32个轨道是什么? 我知道“int”是万国邮联的独立,我对普遍适用的名称感兴趣。
8 bits is called "byte". How is 16 bits called? "Short"? "Word"?
大约32个轨道是什么? 我知道“int”是万国邮联的独立,我对普遍适用的名称感兴趣。
“byte是计算机可与计算机合作的最小单位。 “C”语言将<条码>条码>定义为“星号”,有<条码>CHAR_BIT/code>。 在大多数系统中,只有8个轨道。
另一方面,“
例如,管理系统Windows WORD
数据类型在16倍CPU成为规范的早期被重新定义。 当32倍的CPU四舍五入时,该定义保持不变,而32倍的星群成为QWORD
。
除了“普遍性”之外,在此问题上有几个不同之处:
BYTE
- 8 bits, unsignedWORD
- 16 bits, unsignedDWORD
- 32 bits, unsigned QWORD
- 64 bits, unsignedhttp://www.delorie.com/gnu/docs/gdb/gdb_56.html>rel=“noreferer”>
uint8_t
- 8 bits, unsigneduint16_t
- 16 bits, unsigneduint32_t
- 32 bits, unsigneduint64_t
- 64 bits, unsigneduintptr_t
- pointer-sized integer, unsigned(签名类型也存在)
如果你试图根据特定数据类型的规模(例如,你重新实施网络协议)来书写便携式代码,always <>/strong> 的使用<stdint.h>
。
一组精确为8个轨道的正确名称实际上是。 http://simple.wikipedia.org/wiki/Byte"rel=“nofollow” 可能拥有超过或少于8个轨道(尽管这相对较少)。
除此之外,我知道,16个轨道、32个轨道等术语没有严格界定。
16个或32个衡量单位没有通用名称。
该词用来描述一个方案或操作系统在某一时间处理的比额。 因此,在16倍的万国邮联中,字长为16倍。 在32倍的万国邮联中,字长为32倍。 我还认为,这个词没有什么灵活性,因此,如果我写出一个方案,在10个字眼中进行所有处理,我可以把这10个字眼作为字眼。
简言之,它不是计算机记忆测量单位。 确实,只是用于储存绝缘数字的数据类型(即数字,其数字为零)。 因此,如果你找到一种办法,以你的方案拟订语言仅使用2比特(或不管怎样)进行分类,那就算不上。
Dr. Werner Buchholz coined the word byte to mean, "a unit of digital information to describe an ordered group of bits, as the smallest amount of data that a computer could process." Therefore, the word s actual meaning is dependent on the machine in question s architecture. The number of bits in a byte is therefore arbitrary, and could be 8, 16, or even 32.
<代码>short,word
和int
均取决于汇编者和/或结构。
int
is a datatype and is usually 32-bit on desktop 32-bit or 64-bit systems. I don t think it s ever larger than the register size of the underlying hardware, so it should always be a fast (and usually large enough) datatype for common uses.short
may be of smaller size then int
, that s all you know. In practice, they re usually 16-bit, but you cannot depend on it.word
is not a datatype, it rather denotes the natural register size of the underlying hardware.And regarding the names of 16 or 32 bits, there aren t any. There is no reason to label them.
我用的是逐字、字和长字耳。 但正如其他人提到的那样,这取决于你正在工作的本土结构。
他们叫2个 by,4个 by
16和32条轨道没有任何通用术语。 一字的大小取决于机器。
(11年之后......)
WikiPedia在Units of Information page,包括16-bit volume的“doublet”和“chomp”,以及32-和64-bit的“quadlet”和“octlet”。
值得注意的是,这些术语中有许多来自制造商的文件或标准组织(例如“EEE标准,用于32-bit Microprocessor Building”,其中界定了双倍、零件、微妙和热点。
值得注意的是,其中一些术语在bytes<>em>上而不是在轨上作了具体规定,因此在技术上仍然不准确,因为其他许多答复提醒人们注意。
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