Home Task 4: Digital Systems Nicole Wilson▸ Task 4: Digital Systems Nicole Wilson▸ Task 4: Digital Systems By fromgplus. Published on June 20, 2018. April 9, 2019 0 Task 4:Using the image of a cassette, ask children to brainstorm what it may have been used for in the past? Play the cassette and then compare to a CD and discuss how the technology has changed. G+ Comments no plus ones, 0 comments Share this:TwitterFacebookLike this:Like Loading... + There are no comments Add yours Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.