- Computer systems and mobile technologies
- Starting the computer
- Log on and off - username and password
- shut down menu - if not done properly data lost, programs corrupted.
- software freeze - Ctrl-Alt-Del and task manager.
- error dialogues - storage full - delete files or save files elsewhere. paper jam - remove paper.
- uninstalling software - control panel and uninstall.
- getting help - ask someone or look on internet