Everyone either owns a computer, or uses them as part of a job, or has been at least exposed to them.
Naturally, this gets spiced up for TV land.
As a result, computers on TV often bear only superficial resemblance to their real life counterparts. In fact, they are often a just a 21st-century substitute for magic. A
Computer Wizard is a literal wizard. Evoking arcane words with their keyboard, they cast spells into the infinite (and physically real) realms of
Cyberspace...
For computers which are
literally magical see
Magitech.
Specific variants: