8 Schijfeenheden ............................................................................................................................................. 54
Schijfeenheden hanteren ................................................................................................................... 54
9 Beveiliging ..................................................................................................................................................... 61
Computer beveiligen .......................................................................................................................... 61
Wachtwoorden gebruiken ................................................................................................................... 62
Antivirussoftware gebruiken ............................................................................................................... 70
Firewallsoftware gebruiken ................................................................................................................. 71
10 Onderhoud ................................................................................................................................................... 73
viii