CAS

CAS is an acronym for:

• Channel Associated Signaling is a type of communication signaling common for digital PBX.
• Chemical Abstracts Service, CAS Registry Number.
• Chinese Academy of Sciences
• close air support
• column address select; see Dynamic random access memory
• Combat Armor Suit, also known as powered armor
• Combined Associated Schools, Sydney association of private schools including St. Alloysius College, Barker College, Trinity College, Waverley College, Cranbrook School, and Knox College.
• Compare-and-swap is a special CPU instruction.
• Complete Active Space in Quantum chemistry is a type of classification for the molecular orbitals.
• Computer algebra system
• Content Addressable Storage is a data storage mechanism where a "digital fingerprint" of the data itself (typically a hash function) is used as sole address of the data in the system.
• Court of Arbitration for Sport
• cowboy action shooting
• Creativity, Action, Service as part of the International Baccalaureate program