A deque is a data structure consisting of a list of items on which the following operations are possible:(a)push(x, d): Insert itemx on the front end of the dequed.(b)pop(d): Remove the front item from dequed and return it.(c)inject(x, d): Insert itemx on the rear end of dequed.(d)eject(d): Remove the rear item from dequed and return it. Choose a proper representation and write functions that take O(1) time to support each of the above operations.

1. web and mobile applications allow users to be actively engaged in an online activity. a true b false 2. some examples of business applications purposes are to collaborate, share files, meet virtually in real-time, and accept payments. a true b false 3. an education application would most likely do which of the following? a allow users to watch popular movies and tv shows b connect users with social and business contacts c confirm users' travel plans d teach users a new language 4. a uniform resource locator (url) is how the internet knows where to take users when an address is typed into a browser. a true b false 5. deon is required to provide the citation information for his sources. what type of information should he collect from his sources? a author name, title, date of publication, date of access, url b connections to background information c interesting facts and statistics d notes on important information