檢視机器字长的原始碼

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|<center>'''机器字长'''<br><img
src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fbkimg.cdn.bcebos.com%2Fpic%2F86d6277f9e2f0708109fc8c1e024b899a801f25d&refer=http%3A%2F%2Fbkimg.cdn.bcebos.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1670309336&t=85f64401a25406d64d81ed90bd0d7055" width="280"></center><small>  圖片來自百度</small> 
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'''机器字长'''是指计算机进行一次整数运算所能处理的[[二进制数据]]的位数（整数运算即[[定点整数]]运算）。因为计算机中数的表示有定点数和浮点数之分，定点数又有定点整数和定点小数之分，这里所说的整数运算即定点整数运算。机器字长也就是运算器进行定点数运算的字长，通常也是CPU内部数据通道的宽度。

*中文名:[[机器字长]]

*外文名:Machine word length

*概    念:能处理的二进制数据的位数

*影    响:对硬件造价及机器运行速度有影响

字    长一般是16位，32位或64位衡量单位位