计算机的发展史，用英文

The oldest calculating tool is abacus that was invented by Chinese several thousand years ago. Since then human beings had tried to make a machine to calculate for many years. However, there had been no machine which can be called "computer" till 1946. In that year two Americans invented the first computer in the world. The volumn of the machine was so large that it took up a whole room, and its speed was very low. With the rapid development of IT, nowadays computers are much smaller and faster, and they have become one of essential tools for everybody.

《博古通今》是小码王斥资打造的科普性趣味视频，从历史上计算机什么时候出现发展到目前的智能家居，从计算机内部执行的二进制原理到文件的编码解码。让孩子们在学习编程的时候，了解计算机周边的一些深层次的东西。