Home Task 4: Digital Systems Task 4- Option 3 Task 4- Option 3 By alexkirby19. Published on July 27, 2019. 0 In year 1, we have created timelines for different technologies. e.g. ‘Past, present or future’ representations of telephones, cars, trains or aeroplanes. 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.