A support technician...
A network administrator...
A data entry operator...
A helpdesk technician...
A software tester...
A programmer...
A web designer...
... puts information into a computer.
...develops and designs webpages.
... tests new products before they are in the shops.
... fixes software and hardware problems.
... helps clients with IT problems over the telephone.
... manages the day-to-day running of a computer network.
... writes software for computers.