CS208 Introduction to Computer Systems
Friday, 16 January 2026

+ Quiz

+ Questions

+ UTF-8
- U+03B1 --> byte sequence (the "encoding" of the character)

- E2 86 90 --> Unicode code point (which represents the character)

- You try it
    U+266D --> ?
    F0 9F 98 80 --> ?

+ Monday's assignment
- ASCII toupper, tolower
- printing chars, and why it's so weird

+ If time: the BOM
- Byte order mark
- U+FEFF at start of file
- Provides a clear hint of which encoding a file is using