Unlike later portable computers from Apple and other manufacturers, the battery is charged in series with the supply of power to the computer.

Unlike modern computers, magnetic tape was also often used for secondary storage.

Unlike computers, human users cannot delete one memory and replace it with another.

A consequence of this design was that, unlike other computers with magnetic drums, the G-15 did not retain its memory when it was shut off.

Supermarkets, unlike computers, have people in them.

Unlike ordinary computers, however, it got colder the faster it ran.

An analog computer simply processes an image and provides the result - the output cannot be manipulated, unlike digital computers.

And people, unlike computers, are not precise.

Embedded systems are designed to do a specific task, unlike general-purpose computers.

Unlike conventional computers, which are programmed with a precise sequence of instructions, neural networks learn by experience.