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tower case: back viewclick to hear

tower case: back view audio jack game/MIDI port case fan network port power supply fan power cable plug mouse port keyboard port USB port serial port internal modem port video port parallel port

audio jack click to hear

Connection device that attaches the computer to a variety of sound recording and reproduction equipment such as a microphone and loudspeakers.

game/MIDI port click to hear

Connector that attaches the computer to a game device (e.g., a joystick) or a digital musical instrument.

case fan click to hear

Device blowing air to cool the internal components of the tower case.

network port click to hear

Connector that attaches the computer to a network.

power supply fan click to hear

Device blowing air to cool the internal components of the power supply unit.

power cable plug click to hear

Device with metal prongs that connects the computer by power cable to an electric circuit.

mouse port click to hear

Round connector that links the computer to the mouse.

keyboard port click to hear

Round connector that links the computer to the keyboard.

USB port click to hear

Connector used to link several USB standard peripherals simultaneously; it is faster than serial and parallel ports.

serial port click to hear

Connector used to attach a computer to various peripherals such as an external modem; it is slower than a parallel port as it exchanges only one bit at a time.

internal modem port click to hear

Connector used to attach the internal modem (a two-way digital signal changing device) to a telephone line.

video port click to hear

Connector used to attach the computer monitor to the video board; the latter is inserted in the tower case and controls the display of texts and graphics.

parallel port click to hear

Connector used mainly to attach the computer to a printer; it is faster than a serial port as it exchanges data in eight-bit groups.