In 1984, they typically were isolated desktop machines used to process the user's own words and numbers.
And sometimes this even happens with people who have desktop machines.
A comparable desktop machine can be had for half that price.
A desktop machine might well be that "something else".
By contrast, a single desktop machine would take about 4,000 hours, while the fastest computer could solve it in 4.8 minutes.
I personally have a desktop machine that never leaves the protection of my home network.
But if you want to replace your desktop machine, forget it.
You passed them from your little reader to the desktop machine for me.
But the claims are that all laptop and some desktop machines have this built in.
A desktop machine is not always the best solution.