Well, it turns out on most computers an address of the location and memory, aka a pointer, is itself 32 bits.
好的,它是一个计算机内存地址,或者说一个指针,占32位。
And they close off the square and just allow the public into certain bits of it
那时,他们会封闭广场,只允许公众去特定的区域,
And so when we say something is exponential, we're talking about in terms of the number of bits required to represent it.
所以当我们说某些东西,是指数增长的我们指的,就是代表它的比特数。
And so when you actually have a device the bits don't flow at the speed of light in reality.
因此,当你拥有一个设备,数据位并不能以现实中的光速传输。
I think I've heard bits and pieces of the answer everywhere, so I don't want to wait until we get it word-perfect.
我想我可以听到各种各样的答案,所以我不想等这大家想出完美的答案
But a few bits of jargon are going to be helpful in allowing the conversation to move forward and this is certainly one.
不过稍微懂一点术语,会让交流更顺畅,这个定义当然算术语
I worked in various different bits of law over the last couple of years.
在过去的很多年里,我做了很多法律方面的工作。
We take bits of the outside world like food and we swallow them.
我们从外界获取食物等,将其吞入腹中
But because you only have a finite number of bits, the takeaway for today is that there's only so much precision.
因为只有有限个比特,今天的重点就是,它就这么点精度。
It's just a little block of memory in RAM, you know, that represents four bytes, 32-bits and the Number Two is currently in it.
它只是一小块内存块,它表示4个字节,32位,那个数字2就存储在里面。
char Here is the char, here is the char, how many bits did we say each of these squares is?
这是一个char,这是一个,那么这里的一个方框几比特呢?
Here's the bundle of bits of paper you handed in last time.
这些就是你们上节课交上来的表单
The operating system still finds it but this process of getting some of your files bits from here, some from here, some from here, induces a potential slow down.
操作系统根据文件块的地址,仍旧能够找到这一整个文件,这也导致了潜在速度变慢。
to the n, every value in the 1 bit vector we looked at last time is either 0 or 1. So it's a binary n number of n bits, 2 to the n.
从2到n,我们上次看到的,位向量的每个值不是0就是,所以它是n,比特的二进制数,从2到。
Now that's changing the more years that pass the more of you have 64-bit computers and the more servers have many, many gigabytes of RAM and so you need actually 64-bits, but for now let's assume a common system whereby a pointer just by definition of the homework is 32 bits.
现在计算机也在改变,也有更多的人,使用64位的计算机,更多的服务器有很多,很多G的内存,那样你就需要64位的,现在我们假设通常的系统中,根据家庭作业所定义的,一个指针为32位。
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