10. Environment Environment The firm Problem Solver Other Problem Solvers Database Transform Noncomputer Apps Computer- Apps Input physical resources Output physical resources An OA Model Communications Information Office Automation System 14-

13. A Word Processing System Secretary or manager Document storage CPU Typed documents 14-

15. An Electronic Mail System Mail storage CPU Mail display and entry Mail display and entry Mail display and entry User 1 User 2 User n 14-

17. Computer Message coding and decoding unit User 1 User 2 Secondary storage A Voice Mail System 14-

19. An Electronic Calendaring System Calendar storage CPU Calendar display and entry Calendar display and entry Calendar display and entry Manager 1 Manager 2 Manager n 14-

22. An Audio Conferencing System Audio Channel Location 1 Location n 14-

24. Video channel Video channel Location 1 Location n A. One-way video transmission B. Two-way video transmission Video Conferencing 14-

28. FAX Original document Facsimile machine Analog channel Facsimile machine Uses special equipment that can read a document at one end of a communication channel and make a copy at the other end 14- Document copy

31. A Document Management System OCR Reader Network server DBMS Workstation Workstation Workstation Workstation Laser printer Optical disk storage unit 14- Laser printer Documents to be read

33. Desk-Top Publishing System High-resolution screen Keyboard Microcomputer Laser printer output Document storage 14-