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Issue #205 August 2007
Across
2. ATTENUATION—The decrease in amplitude and intensity of a signal
6. HEXADECIMAL—A numeral system, with a base-16, that represents binary code in a format that is easy to read
9. JUMPER—A small piece of wire used to connect two pins on a circuit board
11. EMULATOR—Hardware or software that enables a CPU to run programs designed for a different system
12. IMAP—An application used to retrieve e-mail on a remote server
13. ADWARE—Software that displays advertisements on your computer after the software is installed on it or while the application is being used
14. SPIDER—A software application that surveys the web and collects and analyzes documents for indexing
16. TORQUE—A force that causes a change in rotation
18. WAVEFORM—A graphic representation, on a computer screen, of an audio signal generated by an oscillator
19. PREAMPLIFIER—An amplifier that strengthens weak electronic signals and transmits them for further amplification
20. SUPERCONDUCTOR—A material with zero resistance to the flow of electric current and no interior magnetic field
Down
1. ETCHING—Using a solvent or acid to remove the unprotected parts of a metal surface to create a design
3. COMBUSTION—A chemical process during which a substance combines with oxygen to produce heat and light
4. BACKPLANE—A circuit board with sockets where other electronic devices on circuit boards can be plugged in
5. DEBOUNCE—A circuit that removes a ripple signal after a push button is pressed
7. ULTRACAPACITOR—Common in automotive applications. This electrochemical capacitor has a higher energy density than most other capacitors.
8. BURN—Create a CD or DVD
10. FIELD—A small piece of data from a larger group
15. PERIAPSIS—The point in an orbit closest to a planet
17. NYQUIST—The Swedish engineer (1889–1976) who studied data transmission. His theory states that the number of independent pulses that could be put through a telegraph channel is limited to twice the bandwidth of the channel.
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