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Ch.8 Input and Output Units 輸入與輸出部件
S.4-5 CS&IT CE Course 中四及中五電腦與資訊科技會考課程
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輸入設備 Input Devices 鍵盤Keyboard
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滑鼠 Mouse 指點器 Pointing Devices 滑鼠指示標會根據滑鼠的移動方向而移動
Mouse pointer will move according to the movement of the mouse
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追蹤球 Trackball 利用一個小球的移動，來控制滑鼠指示標
uses the movement of a ball to control the mouse pointer
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控制桿 Joystick 利用一根沿垂桿子的移動來控制指示標
uses the movement of a vertical rod to control the pointer
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觸屏 Touch screen 容許用戶以手指觸碰屏幕進行輸入
allows users to input by touching the screen with a finger
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數字化轉換器Digitiser 可用來描摹或複製繪圖或相片
can be used to trace or copy a drawing or a photograph
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數字化輸入板 容許用戶把手寫文字或繪圖輸入電腦
allows users to input hand-writings and drawings into the computer
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掃瞄器 Scanning Devices 能擷取圖形或文本供電腦處理
captures graphics or text to the computer.
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光字符閱讀器 Optical Character Reader (OCR)
能辨認具特別字型的字符 can recognise characters with special typefaces
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磁卡片閱讀機 Magnetic strip card reader
閱讀貯存在磁卡片上磁帶內的數據 reads data stored in the magnetic strip on magnetic strip cards such as credit cards 磁卡片閱讀機
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聰明卡閱讀機 Smart card reader
閱讀聰明卡上的數據 reads data on a smart card 聰明卡閱讀機正在閱讀聰明卡
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條形碼掃描器 Bar code reader 能夠閱讀印在貨品上的條形碼
can read the bar codes printed on products
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多媒體輸入設備 Multimedia Input Devices
話筒 Microphone 把聲音輸入電腦中 To input sound into the computer
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數碼相機 Digital camera 以數碼數據的形式貯存，而不是菲林上
Data store in digital form, but not on film
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數碼攝像機 Digital video recorders
容許用戶以數碼形式把視像輸入電腦中 allow users to input video to the computer in digital format
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直觀顯示部件 輸出設備 Output Devices Visual Display Unit (VDU) 直觀顯示部件主要分兩類
There are two main kinds of VDUs 陰極射線管監視器 CRT 液晶顯示監視器LCD
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屏幕影像投影器 Screen image projector
屏幕影像投影器主要分兩類 There are two main types of screen image projector 液晶顯示投影器LCD projector 液晶顯示控制板LCD Panel
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打印機 Printer 點陣打印機 Dot-matrix printers 噪音較多 noisy 列印速度及輸出質素低
Printing speed and output quality are low
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打印機 Printer 噴墨式打印機 Ink-jet printers 較寧靜quiet 輸出質素較佳
have better quality outputs
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打印機 Printer 激光打印機Laser printers 高速 high speed 高質素 high quality
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繪圖機 Plotter 例如地圖、圖表、建築圖則和電路圖
Such as maps, charts, building plans and circuit diagrams
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揚聲器及耳筒 Speakers and headphones
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堂課 Class work P.123 MC Q.1-14 P.126 Q.8
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功課 Homework 作業 Homework P.125 Q.1-7
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