电脑硬体网路.PPT

資訊科技基礎建設 硬體、網路、軟體、資料處理等技術(I) 大綱 IT的基礎建設 硬體 網路 軟體 資料處理 電腦系統架構 發展趨勢 IT的基礎建設（IT Infrastructure, ITI) 一些科技資源的組合，用來支援組織各種不同AP開發的一個分享平台」 具有「基礎性」、「長期投資性」、「高成本性」與「不可回復性」(Irreversible)。 本課程探討 組成元素 硬體 網路 軟體 資料處理 演化趨勢 硬體學習目標 Major types and uses of computer systems電腦系統的主要類型與應用。 Major technologies and uses of computer peripherals for input, output, and storage.輸入、輸出與儲存等電腦週邊設備的主要技術與使用。 Examples of the components and functions of a computer system.電腦系統的功能與組成元件 Selections and Suggestions電腦系統與週邊設備選擇建議 Computer 包括輸入、輸出、處理、儲存、與控制等元件 Hardware Organized by Functions Input Devices convert data into electronic form for direct entry or through a telecommunications network into a computer system Processing Components primarily the Central Processing Unit (CPU) Arithmetic-Logic Unit (ALU) - perform arithmetic and logic functions required to execute software instructions Output Devices convert electronic information produced by the computer system into human-intelligible form for presentation to end users Storage Devices store data and software instructions needed for processing Control Components primarily the CPU’s Control Unit which interprets software instructions and transmits directions that control the activities of the other components of the computer system 電腦的種類 超級電腦 (Supercomputer) 大型主機型電腦 (Mainframe Computer) 中型電腦（Midrange computer） 微電腦(Microcomputer) 工作站 (Workstation) 個人電腦（Personal Computer, PC） Network Server網路伺服器 Computer Terminals電腦終端機 Network Computers網路電腦 Information Appliances資訊家電 個人數位助理（Personal Digital Assistant, PDA） Peripherals device Input Technologies Keyboard Pointing Devices Pen-Based Computing Speech Recognition Systems Optical Scanning Others Magnetic Stripe – devices that read data stored in the magnetic stripe on the back of cards磁條技術 Smart Cards – devices that read a microprocessor chip embedded in a card智慧卡 Digital cameras – devices that allow you to capture, store, and download still photos and full motion pictures Magnetic Ink Recognition (MICR) –