 All these improvements in cost and usability resulted in an explosion in their popularity during the late 1970s and early 1980s.A large number of computer makers packaged microcomputers for use in small business applications.By 1979, many companies such as Cromemco, Processor Technology, IMSAI, North Star Computers, Southwest Technical Products Corporation, Ohio Scientific, Altos Computer Systems, Morrow Designs and others produced systems designed for resourceful end users or consulting firms to deliver business systems such as accounting, database management and word processing to small businesses.