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用汇编语言编写音乐演奏程序。具体要求如下： 程序运行在屏幕显示第一界面如下： A my piano B my music X exit -With the music program written in assembly language. Specific requirements are as follows: program running on the first interface screen is as follows: A my piano B my music X exit

8251串行接口应用实验－接收端程序 串行通信接收程序source file 8251 8255 8253综合实验代码-8251 serial interface applied the experimental- the receiving end procedures to receive serial communication program source file 8251 8255 8253 Comprehensive Experiment code

用C++实现银行的模拟-C Bank"s simulation

一个简单的execl(linux)下的服务器代码，有什么问题，请多指教-a simple execl (linux) server code, any problem, please enlighten

汇编语言开发的经典教材，易学易用，深入浅出- The assembly language development classical teaching material, Yi Xueyi uses, to explain the profound in simple language

51定时器完整源程序。有详细介绍，解压即用。非常方便，实用-51 timers complete source. For more details, used to extract. Very convenient, practical

广告牌的制做，可以显示32高字可以任意加，-Advertising system to do, you can display 32 characters can be high-Canada,

filePath="c:/test/tt.txt" #从文件中读取信息 f=open(filePath, "r")#运用读的方式打开文件， for line in f: #每次读取文件的一行内容      print(line) f.close() #向文件中写入信息 f=open(filePath, "a") #这里有两种方式：第一种是以w的形式，它写入时将会清空以前的数据然后再写入数据，第二种是以a的形式，它以追加的形式写入数据 f.write("我开始向文件中写入信息 ") f.writelines("我已经向文件写入了信息") f.close()

FunBox ASM codes for door bell with melody

来回跳变程序，即不断变换位置，简单易学，可作为学习I/O口用-jump back and forth procedures that the constantly changing positions, and is easy to be a learning I/O mouth