Lecture 0

• Computer science is about problem solving

input ->| algorithms |-> output

binary 0, 1

ASCII(256) -> Unicode(UTF-8)

A

65

• Abstraction RGB – 3 bytes

Video -> images -> pixels -> RGB

algorithms

pseudocode(natural English)

• functions – verb
• conditions – if, if else
• Boolean expressions
• loops
• variables
• threads
• events
• …