本程序用来模拟虚拟页式存储管理中的页面置换 & $ 快表页面固定为4块，要求从键盘输入N个页面号 & $ 输出每次快表页面的内容和缺页次数，缺页率 &-the procedures used to simulate virtual memory page management of the pages fast table replacement pages $ fixed at four, requested input from the keyboard, N $ 000 pages eac

像触摸屏那样的虚拟键盘程序,在电脑上，像平板电脑那样用鼠标不需键盘就能完成输入操作的小程序-visula keyborad programe, in complute ,no keyborad ,this programe help you type ,

　为触摸屏程序添加虚拟键盘 实现键盘控制-Add virtual keyboard to touch screen program to realize the keyboard control

易语言虚拟键盘源码例程程序结合易语言扩展界面支持库，调用API函数实现虚拟键盘效果。-Easy language virtual keyboard source routine procedures combined with easy language extensions interface support library, call the API function to achieve the virtual keyboard effect.