Videos
AP Computer Science Principles
Pick a topic to watch.
5 video lessons
5:03
Topic 1
Creative Development
Here is a program that should print the average of two numbers. It runs. It does not crash. It prints an answer — and the answer is wrong. Give it four and six…
8:13
Topic 2
Data
Play a song. What reaches your ear is a wave — smooth, continuous, never jumping from one value to the next. But your phone cannot store a wave. It can only…
9:17
Topic 3
Algorithms and Programming
Imagine a phone book with a million names, and you must find one. Check them one at a time, and you could be there all day. There is a way to find it in about…
7:47
Topic 4
Computer Systems and Networks
People call it the cloud. It is not a cloud. This box sits in somebody's home: a router, taking data from your phone and passing it on. This plug is the other…
8:12
Topic 5
Impact of Computing
In nineteen eighty-nine, one scientist built a small tool so physicists could swap papers faster. He was not planning any of this. A car that drives itself. A…