Answer:
Exaggerated used of the technique can produce a comical effect, while more realistic animation must time the actions exactly to produce a convincing result. Slow in and slow out. Adds more frames near the beginning and near the end of a movement, and fewer in the middle, to make the animation appear more realistic.
the answer is virus scanner which is not hardware but software because if you didn't know hardware is stuff like a monitor a mouse a battery a case that's all stuff you can generally touch even the hardware inside the computer you can touch where as virus scanner you can not touch because its software again my point being its software NOT hardware