The document lists common computer hardware components including the monitor, keyboard, mouse, central processing unit (CPU), printer, scanner, microphone, headphone, speaker, uninterrupted power supply (UPS), CD drive, DVD drive. It also asks questions about identifying the scanner as the device that copies text and pictures from paper onto a computer, the headphone as the device that helps hear sound or music, and the printer as the device that transfers information seen on a monitor onto paper. The keyboard and mouse are identified as the two input devices and monitor is identified as another name for screen.