The document provides technology skills benchmarks and tutorials for understanding basic computer hardware and software components. It includes tutorials for taking pictures of a CPU, monitor, keyboard, printer, external hard drive, wireless router, and modem. Definitions are provided for each component, with the keyboard defined as an input device modeled after a typewriter, the printer as a device that transfers text and graphics to paper, the monitor as a device that displays signals on a computer screen, the router as a device that forwards data packets between networks, and the modem as a device that converts digital data to analog for transmission over phone or cable lines.