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unit 2 Computer Architecture
一 new words:
1. retrieve v. 检
2. firmware n. 固件 Since microprocessors have both hardware and software aspects, they are therefore often refered to as firmwa
翻译:既然微处理器同时具有
3. light pen  光
A light pen is a stylus with a light sensitive tip that is used to draw directly on a computer’s video screen or to select information on the screen by pressing a clip in the light pen or by pressing the light pen against the surface of the screen
翻译:光笔是具有光敏端头的输入笔,用来在计算
4. mou ...