True of false. All applications fall into two broad categories: virtual reality and medical diagnosis

There is always going to be a need for simple, mechanical interfaces. a. True b. False

Consider the following schema for customer: (id, name, street, city, state, zip, phone), in which customers are uniquely determined by their name and phone or by their id. How many super keys are there for this relation? Justify your answer.

What do you click on to minimize all open windows? A. The show desktop icon B. The start menu C. The system tray D. The taskbar

Including a space in the file name causes problems on all operating systems. True False

Who is the founder of Samsung company

What are techniques for active listening? Select all that apply. 1. asking clarifying questions, without interrupting 2. keeping eye contact 3. indicating full agreement to what is being said

Who developed the first commercially successful DBMS called Information Management system.

David Rosen is credited with the development of which of these games? Pong Spacewar! Computer Space Periscope

E-mail played a role in political upheavals in Europe because it became an important means of communication in Europe.

What is the formula to find the sum of cells a1 a2 and a3