103 (K) of Instructions Per Second - Unit of computer processing speed (NITA)
Kaufman Infant and Preschool Scale - Child development test - Psychology
Kawasaki Integrated Power-valve System
Key Indicators, Probes, and a Scoring Method - Health care (HCT)
Kilo-Instructions per Second
Kilowatt Isotope Power System (IEEE)
Knowledge Information Processing Systems - Computer science