LCD显示,能够滚动显示数字频率,按键的号码

学生成绩核算系统的设计与实现（25） 要求：（1）按班级按课程从文件中读入相应的平时成绩、期中考试成绩和期末考试成绩。 （2）三个成绩对总评成绩的百分比被定义为常数，各占总成绩的30 、30 和40 。 （3）计算每位学生的总评成绩。 （4）计算该班级本课程的总平均成绩。 （5）计算处于优、良、中、及格、不及格的学生人数以及占总人数的百分比。其中100-90为优，89-80为良，79-70为中，69-60为及格，60分以下为不及格。 （6）按要求输出成绩在优、良、中、及格、不及格各区间的学生学号、成绩。-The student achievement calculation system s design with realizes (25) Request: (1) reads in the corresponding usual result, the midterm examination result and the terminal examinations result according to the class and grade according to the curriculum from the document. (2) three result are defined to the general appraisal result s percentage as the constant, occupies the overall result respectively 30 , 30 and 40 . (3) calculates each student s general appraisal result. (4) calculates this class and grade this curriculum the population mean result. (5) calculates the student population which is in superiorly, good, passes an examination, does not pass an examination as well as accounts for the total number of peop

lex文法的源程序(编译原理相关)-lex grammar of the source (compiler principles relevant)

汇编程序从键盘输入一系列字符,然后按小写字母、数字字符和其他字符分类计数，最-Assembler series of characters from the keyboard and then press the lowercase letters, numbers, characters and other characters were counted, the most

这个代码是关于计算机考试的。使用VB编的。比较简单。-code on the computer examination. VB series. Relatively simple.

用8251实现串行口异步通信，自发自收，波特率1200bps。采用查询方式发送与接收。从键盘输入发送字符。发送与接收的字符均在屏幕上显示。按esc键返回dos-Achieved with the 8251 serial asynchronous communication, spontaneous self-income, the baud rate 1200bps. Way to send and receive using queries. To send characters from the keyboard. Send and receive characters are displayed on the screen. Press esc key to return to dos

这是一个流水灯加汽灯控制程序。采用四位的拨码开关，低电平有效。-This is a wasted signals Yiding control procedures. The use of dial-4 switches, low-level effective.

using pic16c57 to realize the PIC writer for pic16c57-using pic16c57 to realize the PIC writer az r pic16c57

自己编写的红外解码子程序，但CPU资源占用较高，作教学示范用途。-prepared their infrared decoding routines, but higher occupancy CPU resources for teaching demonstration purposes.

Windows环境下32位汇编语言程序设计配套书源码第12章-Windows Environment 32-bit assembly language programming book source package Chapter 12

汽车通讯控制程序LOU RANMIAO 1-automotive communications control procedures RANMIAO a writer