All of these (except the go unnoticed by the computer

What operating system is a smartphone most likely to use? 1.bsd 2.mac os x 3.symbian 4.linux

You are almost finished updating a web site. as part of the update, you have converted all pages from html 4.0 to html5. the project is currently on schedule. however, your project manager has been asked by the marketing team manager to justify a day of time spent validating the site's html5 pages. the marketing team manager does not have technical knowledge of the internet or the web. which is the most appropriate explanation to provide to the marketing team manager?

Which option should u select to ignore all tracked changes in a document