Computers are made up of hardware components like processing devices, storage devices, and input/output devices. Hardware refers to the physical parts of a computer and includes components like the CPU, memory, storage drives, motherboard, video card, and ports. Software provides instructions to tell the computer what tasks to perform and includes operating systems, programming tools, and application programs for tasks like business, entertainment, and productivity. Together, hardware and software allow computers to efficiently perform a wide variety of functions across many industries.