Input Devices n Keyboard Pointing Devices n n
輸入設備 Input Devices n 鍵盤Keyboard
指點器 Pointing Devices n 滑鼠 n Mouse 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
追蹤球 Trackball n 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
控制桿 Joystick n 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
觸屏 Touch screen n 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
數字化轉換器Digitiser n 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
數字化輸入板 n n 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
掃瞄器 Scanning Devices n 能擷取圖形或文本供電腦處理 captures graphics or text to the computer.
光字符閱讀器 Optical Character Reader (OCR) n 能辨認具特別字型的字符 can recognise characters with special typefaces
磁卡片閱讀機 Magnetic strip card reader n n 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
條形碼掃描器 Bar code reader n 能夠閱讀印在貨品 上的條形碼 can read the bar codes printed on products
多媒體輸入設備 Multimedia Input Devices n 話筒 n Microphone 把聲音輸入電腦中 To input sound into the computer
數碼相機 Digital camera n 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
數碼攝像機 Digital video recorders n 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
輸出設備 Output Devices n 直觀顯示部件 Visual Display Unit (VDU) n 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
屏幕影像投影器 Screen image projector n 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
打印機 Printer n n n 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
打印機 Printer n n n 噴墨式打印機 Ink-jet printers 較寧靜quiet 輸出質素較佳 have better quality outputs
打印機 Printer n n n 激光打印機Laser printers 高速 high speed 高質素 high quality
繪圖機 Plotter n 例如地圖、圖表、建築圖則和電路圖 Such as maps, charts, building plans and circuit diagrams
揚聲器及耳筒 Speakers and headphones 揚聲器 Speakers 耳筒 Headphones
堂課 Class work P. 123 MC Q. 1 -14 n P. 126 Q. 8 n
功課 Homework 作業 Homework n P. 125 Q. 1 -7 n
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