Unlike desktop computers, where the focus of user attention is on a large, high-resolution, color screen, most embedded systems offer hardware controls that command greater user attention and that must integrate smoothly with user tasks.

• 在桌面电脑上，用户注意力可能集中在相对较大的高分辨彩色屏幕上。 而嵌入系统则不同，多数嵌入系统通常使用硬件控制，从而占据了用户较多的注意力，这些硬件控制必须平滑地和用户的任务结合起来。