Python对文件IO操作

构造二叉树，同时实现二叉树的插入和删除。-Binary tree structure

一个ADC0809的程序,很有用的,不放试一试-a ADC0809 procedures useful, link test

单词记忆，每天可以学习单词-word memory, learning words a day

系统管理程序的源码 -systems management procedures FOSS

在屏幕上开出三个窗口：起止坐标为（5，10）和（15，30），（5，50）和（15，70），（18，15）和（22，65）。要求可用左右方向键选择左窗口或右窗口为当前活动窗口。当一行字符显示满后（左右窗口一行显示20个字符，下窗口显示50个字符），窗口自动向上卷动一行，输入的字符仍显示与最低一行，窗口最高一行向上卷动后消失。用上下方向键可使活动窗口及下窗口内容同时上卷或下卷。输入‘ESC’后结束程序。(huangyujie)-screen out three windows : starting and ending coordinates (5,10) and (15, 30), (5,50) and (15.70) (18.15) and (22.65). Asked about the direction keys can be used to choose the left or right window to window to window current activities. When his characters show after the expiration of (his show window about 20 characters, the next window displays 50 characters), the window automatically scrolling upward here, the importation of characters showed that the minimum here, his highest window scrolling upward disappeared. Up and down direction keys enable activities under the window and window content, but on the next volume or volumes. Importation "ESC" end after the procedure. (Huangyujie)

闸门卡-gate card 111111111111111111111111111111111

可选自能抢答器,用来对一些节目抢答很有必要,,采用8255编程-optional self Responder, used to some programs Responder is necessary, using 8255 programming, and,

具有按键控制,时间可调,可设定闹钟时间,LED显示-with button control, adjustable time, set alarm clocks, LED Display

非常有用的四个汇编语言实验报告！下载回来就可以交给老师了！！！！！绝对的好东西-very useful compilation of the four experimental report language! It can be downloaded back to the teachers! ! ! ! ! Definitely a good thing! !

解码程序，用PIC16C57C来解PT2262-Decoding procedure, with PIC16C57C solved PT2262