APCSP.Parts of a Computer

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Computer Science

AP Computer Science Principles

Last updated 6:37 PM on 9/24/26
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20 Terms

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Motherboard

A circuit board that contains all of the computer system's main components.

<p>A circuit board that contains all of the computer system's main components.</p>
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CPU (Central Processing Unit)

The internal operating unit or "brain" of a computer.

<p>The internal operating unit or "brain" of a computer.</p>
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RAM (Random Access Memory)

Memory modules on the motherboard containing microchips used to temporarily hold data and programs while the CPU processes both. Information in RAM is lost when the PC is turned off.

<p>Memory modules on the motherboard containing microchips used to temporarily hold data and programs while the CPU processes both. Information in RAM is lost when the PC is turned off.</p>
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flash drive

a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a key chain; also known as a pen drive, keychain drive, thumb drive, jump drive

<p>a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a key chain; also known as a pen drive, keychain drive, thumb drive, jump drive</p>
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Power Supply

A device that provides power to a computer.

<p>A device that provides power to a computer.</p>
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Video Card

a printed circuit board controlling output to a display screen.

<p>a printed circuit board controlling output to a display screen.</p>
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keyboard

An input device that enters data with letters, numbers, symbols, and special function keys.

<p>An input device that enters data with letters, numbers, symbols, and special function keys.</p>
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mouse

a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad

<p>a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad</p>
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headphones

a pair of earphones typically joined by a band placed over the head, for listening to audio signals such as music or speech.

<p>a pair of earphones typically joined by a band placed over the head, for listening to audio signals such as music or speech.</p>
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Input Devices

enable the user to input data and commands into the computer

<p>enable the user to input data and commands into the computer</p>
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Output Devices

Devices that enable the computer to give the user the results of the processed data.

<p>Devices that enable the computer to give the user the results of the processed data.</p>
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Software

the programs and other operating information used by a computer.

<p>the programs and other operating information used by a computer.</p>
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Hardware

the physical parts of a computer

<p>the physical parts of a computer</p>
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Monitor

display consisting of a device that takes signals from a computer and displays them on a CRT screen

<p>display consisting of a device that takes signals from a computer and displays them on a CRT screen</p>
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Microphone

a device used to make small voices sound larger, especially in a big room

<p>a device used to make small voices sound larger, especially in a big room</p>
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Printer

A machine that prints characters or other images on paper

<p>A machine that prints characters or other images on paper</p>
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Projector

a machine that throws an image onto a wall

<p>a machine that throws an image onto a wall</p>
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Optical Drive (CD/DVD)

stores information on CDs & DVDs by etching (burning) indentations on their surfaces with a laser; reads them by shining light onto surface; smooth areas reflect, but notches don't

<p>stores information on CDs & DVDs by etching (burning) indentations on their surfaces with a laser; reads them by shining light onto surface; smooth areas reflect, but notches don't</p>
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USB port

Short for Universal Serial Bus, an external bus standard that supports data transfer rates of 12 Mbps. A single USB port can be used to connect up to 127 peripheral devices, such as mice, modems, and keyboards

<p>Short for Universal Serial Bus, an external bus standard that supports data transfer rates of 12 Mbps. A single USB port can be used to connect up to 127 peripheral devices, such as mice, modems, and keyboards</p>
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webcam

A camera that broadcast images through the Internet through a computer or web cell phone.

<p>A camera that broadcast images through the Internet through a computer or web cell phone.</p>