Assume a printer has been setup to be served from a Ubuntu server using lpr. If user Tom and user Jane print a 3 page document to the same printer at almost the same time, explain why the two documents print separately.

Designing a mobile web page is a little different from designing a regular web page. name at least three features that should be considered when designing a website that is mobile phone-friendly, and briefly explain why they are important.

Solve the following javafx application: write a javafx application that analyzes a word. the user would type the word in a text field, and the application provides three buttons for the following: - one button, when clicked, displays the length of the word.- another button, when clicked, displays the number of vowels in the word.- another button, when clicked, displays the number of uppercase letters in the word(use the gridpane or hbox and vbox to organize the gui controls).

What are "open-loop" and "closed-loop" systems