Memory and Unicode

Learn about computer memory and Unicode by analyzing excerpts from CIA reports.


  • Learn how computers store values and memory.
  • Learn about binary and hexadecimal systems.
  • How strings are represented in Unicode.

Mission Outline

1. Introduction
2. The Basics of Binary
3. Binary Addition
4. Converting Binary Values to Other Bases
5. Converting Characters to Binary
6. Introduction to Unicode
7. Strings with Unicode
8. The Bytes Data Type
9. Introduction to HexaDecimal
10. Hexadecimal Conversions
11. Hex to Binary
12. Bytes and Strings
13. Decode Bytes to Strings
14. Read in File Data
15. Convert to a dataframe
16. Clean up Sentences
17. Tokenize Statements
18. Filter the Tokens
19. Count the Tokens
20. Most Common Tokens
21. Finding the Most Common Tokens by Year
22. Takeaways


Course Info:


The median completion time for this course is 6.16 hours. ​View Details​​​

This course requires a premium subscription. This course includes five missions, and one guided project. It is the 26th course in the Data Scientist in Python path.


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