Across

3.     NANOAMP—One billionth of 1 A.

6.     TAN—sin/cos

8.     SLOPE—The m value in the equation y = mx + b.

9.     PSEUDOCODE—A piece of code used for teaching purposes.

10.   SPIKE—A fast boost in voltage that can damage an electrical system. (Note: The word SURGE also fits.)

12.   DIGITERATI—A term for the group of people adept at using and developing modern digital technology.

13.   DIRAC—English physicist (1869–1984) distinguished for his research in quantum theory. He shared the 1933 Nobel Prize in Physics with Erwin Schrödinger.

16.   ROOSEVELT—Guglielmo Marconi used a rotary spark transmitter to send a short message from which U.S. president to Great Britain's King Edward VII?

17.   AVATAR—An icon that represents a user when he or she interacts with other users in a digital environment.

Down

1.     EMOTICON—A facial expression created with keyboard symbols.

2.     PALMOS—Operating system for Palm handheld devices.

4.     POTENTIOMETER—A device used to control the volume in some electronic systems.

5.     CONSTANT—A fixed mathematical value an in an equation.

7.     NOISE—Potentially damaging signals that interfere with a system's operation.

8.     SCHEMATIC—A drawing that depicts the connections and parts in an electrical system.

9.     PIRACY—The unlawful act of distributing or stealing software programs.

11.   PHISHING—The shady practice of sending illegitimate e-mails in an effort to persuade people to release personal information (e.g., social security and credit card numbers).

14.   REBOOT—To restart your PC.

15.   NONET—A grouping of nine.