Amazon CloudWatchA web service that enables you to monitor and manage various metrics, and configure alarm actions based on data from those metrics. See Also http://aws.
Amazon EBS-backed AMIInstances launched from this type of AMI use an Amazon EBS volume as their root device.
Amazon Elastic Block Store (EBS)(EBS)A service that provides block level storage volumes for use with EC2 instances. See Also http://aws.amazon.com/ebs.
Amazon Elastic Compute Cloud (EC2)(EC2)A web service that enables you to launch and manage Linux/UNIX and Windows server instances in Amazon's data centers. See Also http://aws.amazon.com/ec2.
Amazon Elastic MapReduceA web service that makes it easy to process large amounts of data efficiently. Amazon EMR uses Hadoop processing combined with several AWS products to do…
Amazon Machine Image (AMI)(AMI)An encrypted machine image stored in Amazon Elastic Block Store or Amazon Simple Storage Service. AMIs are like a template of a computer's root drive.
Amazon Resource Name (ARN)(ARN)A standardized way to refer to an AWS resource. For example: arn:aws:iam::123456789012:user/division_abc/subdivision_xyz/Bob.
Amazon S3-Backed AMIInstances launched from this type of AMI use the instance store as their root device.
Amazon Simple Notification Service (SNS)(SNS)A web service that enables applications, end-users, and devices to instantly send and receive notifications from the cloud. See Also http://aws.amazon.
Amazon Simple Queue Service (SQS)(SQS)Reliable and scalable hosted queues for storing messages as they travel between computers. See Also http://aws.amazon.com/sqs.
Amazon Simple Storage Service (S3)(S3)Storage for the internet. You can use it to store and retrieve any amount of data at any time, from anywhere on the web. See Also http://aws.amazon.com/s3.
Amazon Virtual Private Cloud (VPC)(VPC)A web service that enables you to create a virtual network for your AWS resources. See Also http://aws.amazon.com/vpc.
Amazon Web Services (AWS)(AWS)An infrastructure web services platform in the cloud for companies of all sizes. See Also http://aws.amazon.com.
Amazon.comThe largest internet retailing website. Amazon.com is rich in consumer generated media.
ambient noise levelThe level of acoustic noise existing at a given location, such as in a room, in a compartment, or at a place out of doors.
Ambient TemperatureThe temperature of a medium, such as gas or liquid, which comes into contact with or surrounds an apparatus or building element.
AMC(1) Air Mobility Command, Scott AFB, IL. (2) Army Materiel Command. (3) Midpoint Compromise Search Area. (4) Acquisition Method Code.
AMCOMArmy Aviation and Missile Command (Oct. 1996).
American National Standards Institute (ANSI)(ANSI)A national coordinator of voluntary standards activities, and an approval organization and clearinghouse for consensus standards in the United States.
AmplifierA device used to increase the strength of an analog signal
amplitude compression1. See signal compression. 2. In video production, the imposition of a nonlinear transfer function on (i.e.
amplitude distortionDistortion occurring in a system, subsystem, or device when the output amplitude is not a linear function of the input amplitude under specified…
amplitude equalizerA corrective network that is designed to modify the amplitude characteristics of a circuit or system over a desired frequency range.
amplitude keyingKeying in which the amplitude of a signal is varied among the members of a set of discrete values.
amplitude modulation (AM)Modulation in which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal.
amplitude-vs.-frequency distortionDistortion in a transmission system caused by nonuniform attenuation, or gain, in the system with respect to frequency under specified operating…
AMPSAbbreviation for automatic message processing system.
analog computerA device that performs operations on data that are represented within the device by continuous variables having a physical resemblance to the quantities…
analog dataData represented by a physical quantity that is considered to be continuously variable and has a magnitude directly proportional to the data or to a…
analog decodingThe portion of the digital-to-analog conversion process that generates an analog signal value from the digital signal that resulted from analog encoding.
analog encodingThe portion of the analog-to-digital conversion process that samples an analog signal and creates a digital signal that represents the value of the sample.
analog facsimile equipmentFacsimile equipment in which (a) analog techniques are used to encode the image detected by the scanner and (b) the output is an analog signal.
analog recordA record created by a continuously varying quantity that reflects variations in some quantity, such as photographs and films made with light-sensitive…
Analog recordingA recording in which continuous magnetic signals are written to the tape that are representations of the voltage signals coming from the recording…
analog signalA signal, such as voice, that varies in a continuous manner.
analog signaling data linkThe data link that provides an interface to signaling terminals and is made up of voice-frequency analog transmission channels and modems. [T1.110.2-1992]
analog switchSwitching equipment designed, designated, or used to connect circuits between users for real-time transmission of analog signals.
analog transmissionTransmission of a continuously varying signal as opposed to transmission of a discretely varying signal.
Analog-to-digitalThe process in which a continuous analog signal is quantized and converted to a series of binary integers.
analysis resultsThe information that is produced by annotators. Analysis results, which correspond to the information that you want to search for, are written to a data…
analytical attackAn attempt to break a code or to find a key using analytical methods. Note: Examples of an analytical attack are: a statistical analysis of patterns; a…
AnalyticsSoftware which allows you to track your page views, user paths, and conversion statistics based upon interpreting your log files or through including a…
Anchor textAn Anchor text is the textual components of web hyperlinks (text links or âÂÂalt' text associated with image hyperlinks).
angle modulationModulation in which the phase or frequency of a sinusoidal carrier is varied. Note: Phase and frequency modulation are particular forms of angle…
angle of deviationIn optics, the net angular deflection experienced by a light ray after one or more refractions or reflections.
Angle of IncidenceIn reference to solar energy systems, the angle at which direct sunlight strikes a surface; the angle between the direction of the sun and the…
angstrom (Å)A unit of length equal to 10-10 m. Note 1: The angstrom is not an SI (International System) unit, and it is not accepted for government use (Fed. Std.
angular misalignment lossPower loss caused by the deviation from optimum angular alignment of the axes of source to waveguide, waveguide to waveguide, or waveguide to detector.
ANIAbbreviation for automatic number identification.
Animated AdAn ad with movement, often an interactive Java applet or Shockwave or GIF89a file.
anisochronousPertaining to transmission in which the time interval separating any two significant instants in sequential signals is not necessarily related to the time…
anisotropicPertaining to a material whose electrical or optical properties vary with (a) the direction of propagation of a traveling wave or with (b) different…
annotationAdding pertinent information such as gene coded for, amino acid sequence, or other commentary to the database entry of raw sequence of DNA bases.