A computer works ___ electrical signals
- in
- on
- by
- over
Explanation
A computer works by electrical signals.
"By" is used to indicate the means or method by which the action is performed
Related MCQs
- Over
- On
- In
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Conjunction
- Preposition
- Adverb
- Interjection
اس سوال کو وضاحت کے ساتھ پڑھیں
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