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21 Cards in this Set
- Front
- Back
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expansion slot
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Socket on a motherboard that can hold an adapter card.
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adapter card
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Circuit board that enhances functions of a component of a system unit and/or provides connections to peripherals.
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flash memory
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Type of nonvolatile memory that can be erased electronically and rewritten.
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peripheral
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Device that connects to a system unit and is controlled by the processor in the computer.
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video card/ graphics card
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Adapter card that converts computer output to a video signal that travels through a cable to a monitor, which displays an image on the screen.
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sound card
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Adapter card that enhances the sound generating capabilities of a personal computer by allowing sound to be input through a microphone and output through external speakers or headset.
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hub
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a device that attaches to a single port to expand into multiple ports.
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memory card
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Removable flash memory device, usually no bigger than 1.5" in height or width, that you insert and remove from a slot in a personal computer, game console, mobile device, or card reader/writer.
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port
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Point at which a peripheral attaches to or communicates with a system unit so it can send data to or receive information from the computer.
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USB port
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Port that can connect up to 127 different peripherals with a single connector type.
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firewire port
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Port that can connect multiple types of devices that require faster data transmission speeds.
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SCSI port
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Special high-speed parallel port to which peripherals, such as disk drives and printers, can be attached.
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port replicator
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External device that attaches to a mobile computer to provide connections to peripherals through ports built into the replicator.
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docking station
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External device that attaches to a mobile computer or device and provides power connections to peripherals, along with memory cards, optical disc drives, and other devices.
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bus
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Electrical channel that transfers electronic bits internally within the circuitry of a computer, allowing the devices both inside and attached to the system unit to communicate with each other.
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system bus/ front side bus
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Bus that is part of the motherboard and connects the processor to main memory. Also called the front side bus (FSB).
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backside bus
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Bus that connects the processor to cache.
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expansion bus
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Bus that allows the processor to communicate with peripherals.
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bay
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Opening inside the system unit in which additional equipment can be installed.
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drive bay
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Rectangular opening in the system unit that typically holds disk drives.
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power supply
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Component of the system unit that converts wall outlet AC power to the DC power that is used by a computer.
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