Any computer parts that you can actually touch are considered to be hardware. Hardware refers to the physical and tangible components of a computer system, including devices such as the motherboard, CPU, RAM, hard drives, keyboard, mouse, monitor, and other peripherals. These are the parts that are essential for the computer to function and execute software instructions. In contrast, software is intangible and consists of programs and instructions that cannot be physically touched. Thus, tangible computer parts are categorized as hardware.