Computer translations are usually performed badly because one word may have different translations and meanings. So the translator would put a word that isn't commonly used for a term. The computer translator also makes very bad grammar mistakes. For instance instead of saying "Anta ta'kul ta3am" it could say "anta akul ta3am".
2. Explain: how a Markup Language works.
A Markup Language works is a text based language particularly in web pages. Tags are inserted in the text of the page to tell a web browser or other suitable software how to display the text on a user's screen when they open the page.