3.     COMMON—The shared return path for multiple signals.

7.     SUBDIRECTORY—Any directory other than the root directory.

9.     THROUGHPUT—The amount of data processed in a specified amount of time.

10.     SCHOTTKY—High-speed diode with a metal-semiconductor junction.

14.     TRIGGER—Pulse used to initiate a circuit action.

15.   SQL—Language for creating, manipulating, and querying data in a database.

18.     PLAINTEXT—The unencrypted version of an encrypted message.

19.     LEAKAGE—The unwanted flow of current through an insulator.

1.     BUFFER—A device that provides electrical isolation.

2.     WAFER—A thin slice of semiconducting material.

4.     NAND—The inverse of the logical AND function.

5.     OBJECT—A self-contained entity of data and procedures to manipulate the data.

6.     JUNCTION—The point in a thermocouple where the two different metals are joined. A connection between two or more cables.

8.     CROSSTALK—Unwanted signals appearing in one signal path as a result of an accidental coupling.

11.   HERTZ—Unit of frequency equal to one cycle per second.

12.     FIRMWARE—A program stored in read-only memory.

13.   TESLA—The Serbian-American engineer (1856-1943) credited for inventing a telephone repeater, the rotating magnetic field principle, alternating-current power transmission, fluorescent lights, and more. In 1893, his technology was applied at Niagra Falls to generate electromagnetic energy from the current.

16.     DROPPER—A program designed to install a virus on a computer.

17.   PATCH—A fix or modification to a program.