IGCSE Computer Science Practice Test

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

From $29.99Unlock all

1 / 20

What is the function of a motion sensor in security devices?

?

To detect the presence of movement

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy