Lecture 2

Announcements

Questions

Lab, ethics quiz

Podcasts & Collab

Why are you here?

How many computers have you used this week?

How many operating systems do you use?

Now: computers are ways to access carefully-made tools.
Soon: computers are clay with which to make anything

Are computers smart?

Learning to speak unambiguously and hear ambiguity

Debugging: …and then is stops working

Elegant and efficient

Transistors to gates to chips to … to libraries to programs — each of those tos has a language

Languages, not tools: syntax and semantics, vocabulary, etc.

Java: a language for making programs

CS vs English:

Java is like grammar
Eclipse™ is like Word™
Programming is like writing
Computer Science Department is like English, Rhetoric, & Linguistics Departments rolled into one

CS vs Cars: