13.20 Hardware ●●● ●●●● ●●●●● ●●●● ●●●0● ●●●0 ● lo Hardware ● Devices ● Connections o for devices communicating with a computer system(main memory)6 13.2 I/O Hardware ⚫ I/O Hardware ⚫ Devices ⚫ Connections ⚫ for devices communicating with a computer system (main memory)