【单选题】在自动演奏简易电子琴电路中,PlaySound()函数的作用是播放指定的音调,其代码如下: void PlaySound() { unsigned short i = 0; if((LittleStar[psong] >> 4) == 0) TR0 = 0; else { TH0 = NoteCode[(LittleStar[psong] >> 4) - 1] >> 8; TL0 = NoteCo...
D.
for(i=0;i<3000;i++);< /div>
【单选题】Window98操作系统中内置了DirectX0,关于它的描述,错误的是______。
A.
安装DirectX后,即使没有声卡也能播放音频或视频文件
C.
DirectX是一个在C++、VBasic和Delphi环境下使用的函数集
【简答题】Trade terms, also called price terms or delivery terms, are an important component of a unit price in international trade, standing for specific obligations of the buyer and the seller. Every commerci...
【简答题】( )are the traditional trade terms frequently used by traders in the world.
【多选题】( ) are the traditional trade terms frequently used by traders in the world.