Input device that allows the user to manipulate objects on the screen by moving the device along the surface of a desk.

Circuit board that gives the computer the ability to accept audio input, play sound files, and produce audio output through speakers or headphones.

Case that holds the power supply, storage devices, and the circuit boards (including the motherboard).

CPU (Central Processing Unit)

Where the processing in a computer takes place, often called the brain of the computer.

Units that gather information and transform it into a series of electronic signals for the computer.

Arrangement of letters, numbers, and special function keys that act as the primary input device to the computer.

Device that sends and receives data to and from computers over telephone lines.

Devices that display, print, or transmit the results of processing from the computer’s memory.

Display device that forms an image by converting electrical signals from the computer into points of colored light on the screen.

The density of the grid used to display or print text and graphics; the greater the horizontal and vertical density, the higher the resolution.

The smallest unit in a graphic image; computer display devices use a matrix of pixels to display text and graphics.

Used to keep data when the power to the computer is turned off.

Output device that produces text or graphical images on paper.

Output devices that receive signals from the computer’s sound card to play music, narration, or sound effects.

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DFJHS Computer Tech

Computer Hardware

Question	Answer
Mouse	Input device that allows the user to manipulate objects on the screen by moving the device along the surface of a desk.
Sound Card	Circuit board that gives the computer the ability to accept audio input, play sound files, and produce audio output through speakers or headphones.
System unit	Case that holds the power supply, storage devices, and the circuit boards (including the motherboard).
CPU (Central Processing Unit)	Where the processing in a computer takes place, often called the brain of the computer.
Input Devices	Units that gather information and transform it into a series of electronic signals for the computer.
Keyboard	Arrangement of letters, numbers, and special function keys that act as the primary input device to the computer.
Modem	Device that sends and receives data to and from computers over telephone lines.
Output Devices	Devices that display, print, or transmit the results of processing from the computer’s memory.
Monitor	Display device that forms an image by converting electrical signals from the computer into points of colored light on the screen.
Resolution	The density of the grid used to display or print text and graphics; the greater the horizontal and vertical density, the higher the resolution.
Pixels	The smallest unit in a graphic image; computer display devices use a matrix of pixels to display text and graphics.
Storage Devices	Used to keep data when the power to the computer is turned off.
Flash Drive	Form of Storage Device.
Printer	Output device that produces text or graphical images on paper.
Speakers	Output devices that receive signals from the computer’s sound card to play music, narration, or sound effects.

Created by: toni.davis

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