This document discusses fundamentals of computers and internet technologies for teacher education. It defines personal computers and standard computer accessories like the CPU, memory, and input/output devices. It also describes operating systems, standard office software suites, and media applications for education. Functions of email, chats, newsgroups, forums, and synchronous/asynchronous communication are explained. Computer security concerns like viruses, worms, and protection techniques are outlined. The document concludes with discussing myths and realities of integrating information and communication technologies in education.