https://padlet.com/1161204089/ascuh0hqwa37 input and output device en-us 2017-05-08 07:36:42 UTC 2023-05-01 10:51:43 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Send.png 1161204089 https://padlet.com/1161204089/ascuh0hqwa37/wish/170442067 chapter 3 input and output devices]]> 2017-05-08 07:46:50 UTC https://padlet.com/1161204089/ascuh0hqwa37/wish/170442067