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第二课 你好，计算机

第二课 你好，计算机. 主机箱外部和内部. 显像管显示器和液晶显示器. 键盘和鼠标. 音箱. 扫描仪. 喷墨打印机. 数码照相机. 摄像头. 手写输入板. 调制解调器. 计算机的优点. 1. 运算速度快. 2. 自动化程度高. 3. 记忆力好. 4. 不会疲劳. 计算机的作用. 1. 计算机在家庭. 2. 计算机在学校. 3. 计算机在体育运动中. 4. 计算机在生活中. 5. 计算机在科技领域.

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第二课 你好，计算机

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  1. 第二课 你好，计算机

  2. 主机箱外部和内部

  3. 显像管显示器和液晶显示器

  4. 键盘和鼠标

  5. 音箱

  6. 扫描仪

  7. 喷墨打印机

  8. 数码照相机

  9. 摄像头

  10. 手写输入板

  11. 调制解调器

  12. 计算机的优点 1.运算速度快 2.自动化程度高 3.记忆力好 4.不会疲劳

  13. 计算机的作用 1.计算机在家庭 2.计算机在学校 3.计算机在体育运动中 4.计算机在生活中 5.计算机在科技领域

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