计算机专业英语_chapter_07.pdfVIP

Computer English Chapter 7 Programming Languages Key points: Key points: useful terms and definitions of useful terms and definitions of programming languages programming languages Difficult points: Difficult points: describing the differences describing the differences between compilers and interpreters between compilers and interpreters Requirements: Requirements: 1. The origins of the programming languages 2. The concepts of computer compilers 3. Main properties of object-orientation 4. 了解了解UML，掌握复杂定语从句的翻译技巧，掌握复杂定语从句的翻译技巧 了解了解 ，，掌握复杂定语从句的翻译技巧掌握复杂定语从句的翻译技巧 7.1 Computer Languages New Words Expressions: evolution n. 发展发展，演变，演变 primitive 原始的原始的，， 发展发展，，演变演变 原始的原始的，， appropriating 适当的适当的 interpreter 解释程序解释程序 适当的适当的 解释程序解释程序 compiler 编译器编译器 intermediary 中间的中间的 编译器编译器 中间的中间的 invoke 调用调用 premium 额外费用额外费用，奖金，奖金 调用调用 额外费用额外费用，，奖金奖金 cryptic 秘密秘密(含义模糊含义模糊) 的的 esoteric 深奥的深奥的 秘密秘密 含义模糊含义模糊 的的 深奥的深奥的 prompt n.提示符提示符 提示符提示符 Abbreviations: 7.1 Computer Languages Computer languages have undergone dramatic evolution since the first electronic computers were built to assist in telemetry calculations during World War ⅡⅡ. Early on, programmers ⅡⅡ worked with the most primitive computer instructions: machine language. These instructions were represented by long strings of ones and zeros. Soon, assemblers were invented to map machine instructions to human-readable and manageable mnemonics, such