2019-2020-1 20175310 "Information Security System Design Basics" The first two weeks learning summary

2019-2020-1 20175310 "Information Security System Design Basics" The first two weeks learning summary

Learning content summary

This week learning the "means and process information" chapter, more knowledge, but there are a lot of knowledge are learned before,
this chapter of the study can be divided into five parts, focusing 信息=位+上下文, five parts are as follows:

• Ary and its conversion
• The concept of position
• = + Context information bits
• Numerical computation
• Store information

I have said these three large pieces of knowledge to make a mind map, as follows:

Ary and its conversion:

Bit concepts:

= + Context information bits:

Numerical calculation:

Information storage:

Textbook learning and problem-solving process

Code debugging and problem solving in the process

This week less code, is relatively simple, no problems were encountered.

Code hosting

Last week exam wrong question summary

• Question 1:
  operating system has two basic functions: to prevent the misuse of hardware; the consistent application of the mechanism for controlling the low-level hardware devices. Achieve these two functions related abstract has ()
  A. File B. VM C. Virtual Memory D. Process
• Problem 1 Solution:
  The correct answer: ACD
  

Learning progress bar

	The number of lines of code (add / accumulate)	Blog amount (add / accumulate)	Learning time (add / accumulate)	Important growth
aims	5000 rows	30	400 hours
the first week	66/66	1/1	10/10
the second week	139/205	1/2	15/25

Reference material

Textbook Introduction and weekly examinations focus on
"in-depth understanding of computer systems V2" Study Guide