The Book of the World is digital

began to study the second week of career planning, in the teacher's recommendation, we read the "World is Digital" a book, feeling is also quite fruitful.

"The World is Digital," is Brian W. Kernighan, the world's top computer scientist, a primer for ordinary readers about computers and the Internet that people in the mathematical age should know about. This book is a popular science book, the reader object is non-professional. This book is concise, interesting, and thought-provoking, and many of the views are of great value to both professionals and the general public. Whether you have a computer background or whatever you do, this book is a must-read if you agree that you live in the digital age.

In the second chapter bits, bytes and information representations, we know that the simulation system sometimes has its advantages, such as the clay version, stone carvings, parchment, books and photos and other ancient media, have experienced the digital format has not experienced the time test. That's a good sentence. Many more than 10 years ago, the digital format, especially the proprietary binary format, is now hard to read. Also, information that was previously stored on floppy disks and tapes is now difficult to find floppy drives and tape drive to read. Now the information stored on the disc, more than 10 years later do not know can not find the optical drive to read?

The second example of a analog-to-digital conversion is sound, especially music. The reason why music is a good example is that the ownership of digital information represented by it is the first time that a wide range of social, economic and legal concerns have been raised. Unlike CDs or tapes, digital music can be reproduced indefinitely in your home computer, completely free of charge, and can be copied over the Internet to any corner of the world without any loss of sound quality, as well as completely free. The record industry has seen this as a serious threat, trying to stop the copying of digital music through legal or political means. The war is far from over, and every day there is a small battle, so the court and the detonation of the political debate have become commonplace.

Through this book I also learned that the network of all kinds of information can have a negative impact on us, impossible to guard against. There is no network in these threats can be completely eradicated, so we should pay more attention to the Internet security. There are more pages for making money and even for the privacy of customers can be used as a means of profit. and the various wrongful acts are intensified, hoping that this situation will be improved in the near future.

The book is still a lot of content with words difficult to express, the knowledge is still to read from the line experience.

The Book of the World is digital