Ivan: I brought you the new Groove People CD.
Dale: What good is a CD if I haven’t got a CD player?
Ivan: I can bring you a CD player.
Dale: What good is a CD player if I don’t even have electricity?
Ivan: ________.
Dale: What good is calling the Electric Company if I haven’t got a house?
Ivan: I brought you the new Groove People CD.
Dale: What good is a CD if I haven’t got a CD player?
Ivan: I can bring you a CD player.
Dale: What good is a CD player if I don’t even have electricity?
Ivan: ________.
Dale: What good is calling the Electric Company if I haven’t got a house?
Ivan: I brought you the new Groove People CD.
Dale: What good is a CD if I haven’t got a CD player?
Ivan: I can bring you a CD player.
Dale: What good is a CD player if I don’t even have electricity?
Ivan: ________.
Dale: What good is calling the Electric Company if I haven’t got a house?
在1962年,Ivan Sutherland(伊凡·苏泽兰)在他的博士论文中创建了画板,并将它命名为(),它可以在屏幕上创建并处理简单的直线和曲线图案,是计算机图形学真正开始的标志。