1. 1 Office Information System (OIS) 2 13 21 22 4 1

2. 2 (OIS : Office Information Systems) (OAS : Office Automation System) 3. 3 1. 2. 3. 4. 4 (OA : Office Automation) - - - - - - 5. 5 OA OA 6. 6 7. 7 8. 8 9. 9 OCR (Optical Character Reader) (Digitizer) (Scanner) 10. 10 (Digital Camera) 1.2 (Laser Printer) (Plotter) 11. 11 Internet, Intranet Extranet Internet Intranet 12. Local Area Network LAN Metro Area Network MAN Wide Area Network WAN 13. 13 (E- Mail File Transf