From the bottom up

10- What are logic gates and how to build them with relays [source]
11- Logic gates explained with doors [source]
12- Logic gates implemented with knex [video]
13- Logic gates in PHUN [video]
14- Little Big Planet version. LBP Logic Labs 1: Basic Logic Gates [video]

20- Central Processing Unit [video1, video2]
21- How a Computer CPU ( Central Processing Unit ) Works [video]
22- From Sand to Silicon: the Making of a Chip [video] By Intel.

30- Top Ten Weird Computers [source]
31- [video]
32- iPaper (Macbook air parody) [video] ... or "How computers could be in a few years" ;)

40- Internet explained [video]
41- TCP/IP animated [video]
42- How email works [video]

50- Turing machines, quantum Turing machines, busy beavers, ect [video and video]

60- C Programming Tutorial 1 Learn C Programming: Game Programming [video]