Registrazione
Computer Science for IGCSE & O level - Hardware (Section 3 - No. 20)
What type of system uses the keypad as an input?
Digital cameras.
Vending machines.
Security systems.
Bluetooth lightbulbs.
Spiegazione
The security systems use keypads.
Commenti (0)
Accedi per commentare
Annuncio
Consenti a JavaScript di caricare correttamente questa pagina
