Understanding Computers

THE COMPUTER: WHAT IT IS, WHAT IT DOES, AND HOW IT DOES IT: Processor and Primary Storage; Secondary Storage and Input/Output; Data, Information, Programs, and Systems; Computer Programming; SYSTEM SOFTWARE: Control Programs of Operating Systems; Data Transfer (Access Methods) and Teleprocessing; Database Management and Data Dictionaries; COMMERCIAL INFORMATION PROCESSING: Application Software; Computers in the Office and the Factory; A Data Center; Where is It All Leading?; Appendixes; Glossary; Index.