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Computing hardware has been an important component of the process of calculation and computer data storage since it became useful for numerical values to be processed and shared. The earliest computing hardware was probably some form of tally stick; later record keeping aids include Phoenician clay shapes which represented counts of items, probably livestock or [...]

A computer display monitor, usually called simply a monitor, is a piece of electrical equipment which displays viewable images generated by a computer without producing a permanent record. The word “monitor” is used in other contexts; in particular in television broadcasting, where a television picture is displayed to a high standard. A computer display device [...]

In computing, a keyboard is a peripheral partially modeled after the typewriter keyboard. Keyboards are designed to input text and characters, as well as to operate a computer. Physically, keyboards are an arrangement of rectangular buttons, or “keys”. Keyboards typically have characters engraved or printed on the keys; in most cases, each press of a [...]

A workstation, such as a Unix workstation, RISC workstation or engineering workstation, is a high-end desktop or deskside microcomputer designed for technical applications. Workstations are intended primarily to be used by one person at a time, although they can usually also be accessed remotely by other users when necessary.
Workstations usually offer higher performance than is [...]

A laser printer is a common type of computer printer that rapidly produces high quality text and graphics on plain paper. Like photocopiers, laser printers employ a xerographic printing process but differ from analog photocopiers in that the image is produced by the direct scanning of a laser beam across the printer’s photoreceptor.

A microphone, sometimes referred to as a mike or mic (both IPA pronunciation: [ma?k]), is an acoustic to electric transducer or sensor that converts sound into an electrical signal.
A Neumann U87 capacitor microphone
Microphones are used in many applications such as telephones, tape recorders, hearing aids, motion picture production, live and recorded audio engineering, in radio [...]

Computer engineering (also called Electronic and Computer engineering) is a discipline that combines elements of both electrical engineering and computer science.[1] Computer engineers are electrical engineers that have additional training in the areas of software design and hardware-software integration. In turn, they focus less on power electronics and physics. Computer engineers are involved in many [...]

In character recognition, any batch of source information that exists in reel form, such as tally rolls or cash-register receipts. Preprinted forms that repeat on each page, with the bottom of one page joined to the top of the next by a perforated attachment, so that they can be fed through a printer.

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A more precise definition of a router is a computer networking device that interconnects separate logical subnets. Routers are now available in many types, though all are fundamentally doing the same job. A router is a computer whose software and hardware are usually tailored to the tasks of routing and forwarding, generally containing a specialized [...]