# SDA

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> Source: https://en.wikipedia.org/wiki/SDA
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**SDA** or **sda** may refer to:

## Science and technology

### Computing

- /dev/sda, [the first mass-storage disk](/source/Device_file#Naming_conventions) in Unix-like operating systems
- [T-Mobile SDA](/source/T-Mobile_SDA), a smartphone
- [Screen Design Aid](/source/Screen_Design_Aid), a utility program used by midrange IBM computer systems
- [SD Card Association](/source/SD_Card_Association), responsible for Secure Digital memory card standards
- Serial Data Signal of an [I²C](/source/I%C2%B2C#Design) electronic bus
- [Slow DoS attack](/source/Slow_DoS_attack)
- [Symbolic data analysis](/source/Symbolic_data_analysis)

### Life sciences

- [Sabouraud dextrose agar](/source/Sabouraud_dextrose_agar), microbiological media allows fungus to grow
- [SDA (drug)](/source/SDA_(drug)), an [entactogen](/source/Entactogen) [drug](/source/Drug) related to [MDA](/source/3,4-methylenedioxyamphetamine)
- [Serotonin–dopamine antagonist](/source/Serotonin%E2%80%93dopamine_antagonist), atypical antipsychotic
- [Specific dynamic action](/source/Specific_dynamic_action), the thermic effect of food
- [Stearidonic acid](/source/Stearidonic_acid), omega-3 fatty acid
- [Structured digital abstract](/source/Structured_digital_abstract), describing relationships between biological entities

### Other uses in science and technology

- [Scratch drive actuator](/source/Scratch_drive_actuator), a microelectromechanical device
- [Space domain awareness](/source/Space_domain_awareness), the ability to detect, track, and characterize passive and active space objects
- Stereo Dimensional Array, a [Polk Audio](/source/Polk_Audio) technology

## Organizations

### Educational institutions

- [San Dieguito Academy](/source/San_Dieguito_Academy), Encinitas, California, US
- [SDA Bocconi School of Management](/source/SDA_Bocconi_School_of_Management), in Milan, Italy

### Political groups

- [Secular Democratic Alliance](/source/Secular_Democratic_Alliance) (India)
- [Singapore Democratic Alliance](/source/Singapore_Democratic_Alliance)
- [Social Democratic Alliance (UK)](/source/Social_Democratic_Alliance_(UK))
- [Social Democratic Alliance](/source/National_Social_Democratic_Front) in Vietnam
- [South Devon Alliance](/source/South_Devon_Alliance) in England
- [Party of Democratic Action](/source/Party_of_Democratic_Action) (Bosnian: *Stranka demokratske akcije*), a political party in Bosnia and Herzegovina

### Other organizations

- [Security & Defence Agenda](/source/Security_%26_Defence_Agenda), a Brussels-based think-tank
- [Seventh-day Adventist Church](/source/Seventh-day_Adventist_Church), a Protestant Christian denomination
- [Shandong Airlines](/source/Shandong_Airlines), an airline in China
- [Shop, Distributive and Allied Employees Association](/source/Shop,_Distributive_and_Allied_Employees_Association), Australia
- [Southern Dames of America](/source/Southern_Dames_of_America), lineage society in the United States
- [Space Development Agency](/source/Space_Development_Agency), a US DoD RDT&E agency
- [Systemic Design Association](/source/Systemic_design#Systemic_Design_Association), for systems design
- [Swiss Telegraphic Agency](/source/Swiss_Telegraphic_Agency) (German: *Schweizerische Depeschenagentur*)

## Other uses

- [SDA Tennis Open](/source/SDA_Tennis_Open), a tournament held in Bercuit, Belgium
- Saddam International Airport, now [Baghdad International Airport](/source/Baghdad_International_Airport), airport code SDA
- [Same-day affirmation](/source/Same-day_affirmation) of financial market deals
- [San Diego and Arizona Railway](/source/San_Diego_and_Arizona_Railway), reporting mark SDA
- [Severe Disablement Allowance](/source/Severe_Disablement_Allowance), a UK state benefit
- [Southern Domestic Airspace](/source/Southern_Domestic_Airspace), Canada
- [Specially denatured alcohol](/source/Specially_denatured_alcohol)
- [Speed Demos Archive](/source/Speed_Demos_Archive) of video game speedruns

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Adapted from the Wikipedia article [SDA](https://en.wikipedia.org/wiki/SDA) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/SDA?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.