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A processor is an integrated electronic circuit that performs the calculations that run a computer. Random-access memory is a form of computer memory that can be read and changed in any order, typically used to store working data and machine code.

A Graphics Card is a piece of computer hardware that produces the image you see on a monitor. A sound card is an internal expansion card that provides input and output of audio signals to and from a computer under control of computer programs. A TV tuner card is a kind of television tuner that allows television signals to be received by a computer.

A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. A computer mouse is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of a pointer on a display,

A fax roll is a type of fax paper. The paper is made of thermal paper, similar to the type of paper found in receipt printers on cash registers.

Printing is a process for reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals.