A series providing instruction in English as a foreign language for students with specialized interests, within a programme that includes basic courses, supplementary readers, practice, reference and remedial material and tape recordings. Preface, Introduction, What is a Computer?, The History of the Computer, People Who Use the Computer, Hardware: The Central Processor, Hardware: The Peripherals, The Computer Operator, Data, Order Codes, The Programmer, Computer Languages, Operating Systems, Applications, The Systems Analyst, Realtime, Appendix, Key to Exercises, Glossary.