20191327 "Introduction to information security professionals" 2019-2020 academic year the third week of learning summary

1. teaching materials learning

This week learn to master the way conversion between different band, as well as several ways to represent negative numbers in the computer; learned representation of recording, sound Dian image color and so on. Meanwhile, a preliminary study of the types and significance of the door.

Question 2. textbook learning process and solutions

Problem: Can not understand the significance of the three-dimensional color space diagram

Solution: check online information https://baike.baidu.com/item/%E9%A2%9C%E8%89%B2%E7%A9%BA%E9% 97% B4 / 10834848? fr = aladdin

3. Other problems and solutions

Found during school number converted to Roman numerals digit student number is too large to be represented in Roman numerals: a problem
solving method: ask questions found himself thinking is limited, you can use add two horizontal lines on the Roman numerals in the cloud class lesson an enlarged one million times.
Second problem: base64 process the job in carrying out the program has been unable to find, retrieve and present the eighth line has been wrong not see where the problem.
Solution: The eighth line compared again to play again, he found himself a symbol of the start tune into Chinese symbols, causing the program can not proceed.

4. Learning Program

Plan to study: 10 hours
actual study: 8 hours

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Origin www.cnblogs.com/tzy20191327/p/11706900.html