Learning content summary
This week I learned how to change between binary, octal, decimal, know what bits and bytes, understanding
Some negative representation, learned to use simple base64 encoding and decoding.
Textbook learning and problem-solving process
1. Question 1: In the study base64 I do not know 52 case letters and bytes 0-9 represent
Solution: I understand the search through the Internet, such as A is 01000001, a is 01100001,1 is 00110001.
2. Question 2: What is the data compression to reduce the space required to store a piece of data?
Solution: The teacher in the class illustration and the Internet to find: Morse code and relevant.
Learn sentiment
After learning base64, he felt the charm of the computer, is indeed self craft.