第9章并行接口 本章主要教学内容 一、并行输入输出接口技术的概念和功能 二、8255A的内部结构及引脚 三、8255A的工作方式及其应用

The idea of Recursive-Descent Parsing Viewing the grammar rule for a non-terminal A as a definition for a procedure to recognize an A The right-hand side of the grammar for A specifies the structure of the code for this procedure The Expression Grammar:

• Application: Zone melting Morphology Instability of a S/L interface • Constitutional undercooling • Morphological instability of a S/L interface

SQL in a Programming Environment embedded SQL persistent stored modules Database-Connection Libraries Call-level interface (CLI) JDBC PHP

Economy. . . . . . The word economy comes from a Greek word for “one who manages a household

International Trade What determines whether a country imports or exports a good?

2.1 Basic Concept 2.2 Determining Degree of Freedom 2.3 How does a kinematic chains transform into a mechanism? 2.4 Kinematic Diagram of Mechanism 2.5 Principle of Mechanism Constitution

Semantic analysis Parsing only verifies that the program consists of tokens arranged in a syntactically-valid combination, we now move on to semantic analysis, where we delve deeper to check whether they form a sensible set of instructions in the programming language

Semantic analysis Parsing only verifies that the program consists of tokens arranged in a syntactically-valid combination, we now move on to semantic analysis, where we delve deeper to check whether they form a sensible set of instructions in the programming language

5.1.1(单项选择)函数f(x)=cosx的原函数是() A.sinx+cb.cosx.-sindcosx(难度:A;水平:a) 5.1.2(单项选择)设2x是f(x)的一个原函数,则[f(x)dx]=() A.2x B.2 C.x2D.2(难度:B;水平:a)