1. 光盘   keyboard   compact disk   hard drive   personal computer   Hint Half-n-half Clue   2. 缆绳   floppy disk   cable   adaptor   switch   Half-n-half Clue   3. 开关   keyboard   printer   hard drive   switch   Half-n-half Clue   4. 软盘   floppy disk   monitor   joystick   switch   Half-n-half Clue   5. 硬盘   battery   modem   hard drive   switch   Half-n-half Clue   6. 控制杆   floppy disk   battery   joystick   personal computer   Half-n-half Clue   7. 键盘   keyboard   hard drive   cable   floppy disk   Half-n-half Clue