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CNET GLOSSARY: Terms for the techie
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amplitude 
Amplitude is the the strength of an analog signal, such as a sound wave. Signals contain peaks and valleys. The amplitude of the wave is determined by measuring the difference between the peaks and the valleys and dividing the results by two. The higher the amplitude, the stronger the wave.


 
A 
A&R
AA
AAC
abandonware
AC-3
ACATS
access point
ACK
ACPI
active headlight systems
active matrix
active noise cancellation
active roll stabilization
active steering
ActiveX
adapter
adaptive brake lights
adaptive cruise control
adaptive ride control
ad-hoc mode
ADO
Adobe Acrobat
ADPCM
advanced (smart) restraint systems
adware
AES
After color temp
After grayscale variation
 
AGP
AIFF
ALiS
all-wheel drive
alpha blending
alpha channel
alpha software
amplitude
AMPS
AMPS modem
analog
analog controls
analog hole
analog-to-digital conversion
anamorphic
anamorphic downconversion
anamorphic squeeze
anchor
animated GIF
anonymous FTP
anonymous remailer
ANSI
ANSI lumens
antenna gain
antialiasing
antiglare treatment
AP
aperture
aperture grille
 
API
applet
Archie
ARDIS
ARPAnet
artifact
ASCII
ASCAP
Ascend compression
ASP
aspect ratio
ASIC
asynchronous communications
ATAPI
ATM
ATRAC
ATRAC3
ATRC
ATSC
attachment
ATVEF
AU
audio compression
audio player
authentication
authoring
avatar
AVI
  
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