51ºÚÁÏ

Last updated

29 June 2025

pdf, 185.9 KB
pdf, 185.9 KB
pptx, 7.1 MB
pptx, 7.1 MB

This lesson covers how radio waves, microwaves and optical fibres are used for communications. It also covers satellites and the difference between an analogue and digital signal.
Past paper IGCSE exam questions are used throughout. All questions come with answers or full worked solutions.
A shortened version of the lesson can be found on YouTube.

Reviews

Something went wrong, please try again later.

This resource hasn't been reviewed yet

To ensure quality for our reviews, only customers who have purchased this resource can review it

to let us know if it violates our terms and conditions.
Our customer service team will review your report and will be in touch.