Hardware Main components - von Neumann architecture
- CPU
- memories
- mass memories
- I / O
- bus
Devices Performance

Software
System software and application software
- process manager (time slicing)
- central memory manager (shared by all processes)
- secondary storage manager (files and directories)
- device manager (driver)
- user interface (user interaction)

Computer networks

- computer networks and sharing of resources
- types of networks: LAN, WLAN, WAN
- network topology
- client / server and P2P (peer-to-peer) models: comparison
- Internet: network of networks
- functioning of the Internet
- other types of networks: intranet and extranet
- transmission media: twisted pair, coaxial cable, Ethernet cable, optical fiber, terrestrial radio link, satellite.
- data transfer:
- how to connect to the Internet

Search engines
- searches with Google
- special searches