data or instructions that must be entered into the computer and then stored temporarily or permanently on a storage media device.
the most commonly used input device for entering numeric and alphabetic data into a computer.
an input device that allows you to position thre pointer on the screen.
the most commonly used pointing device for personal computers.
a pointing device that works like a mouse turned upside down; the ball is on top of the device.
the process of inputting sound into the computer.
data that has been processed into a useful format.
a piece of electronic equipment that keeps track of the operation of a system continuously and warns of trouble
used to produce a paper or hard copy of the processing results.
produces images using the same technology as copier machines.
provides good-quality color printing for less expense than a laser printer.
captures photographs as digital files that can be uploaded directly to a computer.
devices that can change images into codes for input to the computer.
an authentication technique using automated methods of recognizing a person based on a physiological or behavioral characteristic.
is an interface to which a peripheral device attaches to or communicates with the system unit.
a device that allows one computer to talk to another.
Universal Serial Bus (USB)
port that can connect up to 127 different peripherals with a single connector and supports data transfer rates of up to 200 million bits per second (Mbps).
refers to the ability of a computer system to configure expansion boards and other devices automatically.
cable, also known as IEEE-1394, and IEEE-1394 bus standard supports data transfer rates of up to 400 Mbps and can connect to 63 external devices; IEEE-1394b provides speeds up to 3200 Mbps.
openings on the motherboard where an expansion board, also called an adapter card, can be inserted.