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					              Computing 기술의 변천 경향
Technology discontinuities drive new computing paradigms and
   applications

•   1960 Mainframe Computer                 IBM
•   1970 Mini-Computer                      DEC
•   1980 Workstation                        Sun, HP
•   1990 PC                                 Intel, Microsoft, Apple
•   1995 Network Router                     CISCO
•   1998 Cellular Phone, PDA                Nokia, Palm, Samsung
•   2000 Networked Embedded System
•   2010 Smart Phone, Web Pad …             Apple
    (Post PC Age)

     – Increasing # of Computers / Person
     – Increasing Connectivity
     – Source : UCLA - EE Department
            내장 시스템 기술 ?
• 컴퓨터기술이 내장된 디지털 시스템 기술
 –   통상 Microprocessor기술을 사용
 –   기능의 일부 또는 전부가 Software에 의해 제어
 –   대부분 소형화(downsizing) 기술이 중시됨
 –   Real-time Software Design
 –   안정한 동작과 대부분 디스크기반 시스템이 아님
 –   전통적인 상업 업무용 컴퓨터기술과는 구분
 –   PC 또는 Unix System 등 주처리가 연산기능인 컴퓨터 시스
     템은 제외로 분류
What is Embedded System?
                            More Examples...
ABS(Anti-lock brakes)                 Modems
Auto-focus cameras                    MPEG decoders
Automatic teller machines             Network cards
Automatic toll Systems                Network switches/routers
Automatic transmission                On-board navigation
Avionic Systems                       Pagers
Battery chargers                      Photocopiers
Camcorders                            POS(Point-of-Sale Systems)
Cellular Phones                       Portable Video Games
Cell-phone base stations              Printers
Cordless phones                       Satellite Phones
Cruise Control                        Scanners
Curbside check-in Systems             Smart Ovens/dishwashers
Digital Cameras                       Speech Recognizers
Disk Drives                           Stereo Systems
Electronic card readers               Teleconferencing Systems
Electronic instruments                Televisions
Electronic toys/games                 Temperature Controllers
Factory control                       Theft Tracking Systems
Fax machines                          TV Set-top Boxes
Fingerprint identifiers               VCR’s, DVD Players
Home security Systems                 Video Game Consoles
Life-support Systems                  Video Phones
Medical testing Systems               Washers and Dryers
PLC                                   Factory Automation System
IBS

				
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posted:8/17/2011
language:Korean
pages:4