CSS (paglilinaw)

Computing at telekomunikasyon 
 Central Structure Store, in the PHIGS 3D API
 Closed-source software, software that is not distributed with source code
 Content Scramble System, an encryption algorithm in DVDs
 Content Services Switch, a family of load balancers produced by Cisco
 Chirp spread spectrum, a modulation concept, part of the standard IEEE 802.15.4aCSS