This document discusses the history and principles of computer assisted language learning (CALL). It traces CALL back to language laboratories in the 1960s and mentions early software from New York University and the University of Essex. It also discusses the evolution of CALL through multimedia in the 1990s and instructional systems today. The document outlines 10 principles of CALL, including that it should be learner-centered, adaptive, engaging, focused on research, and help learners learn better. It concludes that CALL has changed with methodology and pedagogy to meet language education needs.