generate questions: A general purpose computer has four main components: the arithmetic logic unit (ALU), the control unit, the memory, and the input and output devices (collectively termed I/O). These parts are interconnected by buses, often made of groups of wires.
The ALU of a computer stands for what? {sep_token} Input and output devices are known as what term? {sep_token} Besides the ALU, input and output devices, what are the other two main components of a computer?