Computer Science Principles: Digital Information

Learn how digital information is stored, transmitted, and encoded by computers. This course covers the first part of the AP Computer Science Principles exam.

Introduction

• Welcome
• What you should know beforehand
• Contact

1. Innovation and Technology

• History of innovation
• Impact of coding and programming

2. Computer Communications

• Yes and no answers with binary
• Binary and bits
• Communicating with bits
• Digital communication

3. Number Systems

• Abstraction of numbers
• Binary numbers
• Bit size and values
• Overflow

4. Encoding and Sending Text

• ASCII and Unicode
• Encoding formatted text

5. Working with Large Amounts of Data

• File sizes and bytes
• Text compression
• Encoding images
• Image compression and file formats

Conclusion

• Summary