Book (Practical) Computer How did you make the computer? General personal computer

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

A fairy who appeared in front of a computer
computer
and a science student. The fairy asks the student, "Why does a computer work?" A strange fairy who doesn't know mathematics and a man of science. A story of the creation of a personal computer. The story goes back to the fact that "number" was born from the concept of number. Why can a computer perform complex calculations with only 0 and 1? This is the world's most easy-to-understand computer book that clearly answers the simple question.