Computers run when what is working properly?
metal forks an engine lowered energy cost deoxyribonucleic acid plastic switches objects that have mass power ballads electrical circuit
A B C D E F G H
Currently computers run on electric circuits and wires.
When an electrical circuit is working properly, computers run.
Computers run when what is working properly? (A) metal forks (B) an engine (C) lowered energy cost (D) deoxyribonucleic acid (E) plastic switches (F) objects that have mass (G) power ballads (H) electrical circuit