"Information security system design basis" the second week of learning summary
Learning content
Chapter One panorama
Through the study of the first chapter, I met panorama,
Contact with the hardware, software, and other abstract concepts, but also have a preliminary understanding on the development of the computer, I've met many outstanding scientists to contribute to the development of the computer.
Chapter XVIII calculated limit
By reading this chapter, I learned computer operation errors also exist, such as precision due to the limitation, when the order of addition or subtraction of two numbers differ too much loss of accuracy is called of zero error, further underflow, overflow, and so on. In addition, I also contacted the Big O notation and the number of relevant for different time comparison algorithm.
Textbook learning and problem-solving process
Problem: Your computer developed to the fourth generation, what is the future direction of development is biased in favor of improving the hardware or software?
[By reading books and combine data search, I learned that the future development of computer prefer to increase the speed of data processing, namely software] ( https://wenda.so.com/q/1363073262064880?src=150&q =% E6% 9C% AA% E6% 9D% A5% E8% AE% A1% E7% AE% 97% E6% 9C% BA% E7% 9A% 84% E5% 8F% 91% E5% B1% 95% % 96% B9% E6 E5 E6%%% 90% 91 is the AF% 98% 80% E4 E4% BB% 88% B9% )