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The terms that I missed.


Negatively charged particle; located outside the nucleus.


An electrical device that resists the flow of electrical current--If a material has a high resistance, it opposes the passage of a steady electric current. The lower the resistance, the easier it is to force electrons to leave atoms and move through the material. Metals, by nature, have a low resistance.

External Bus Unit

Pathway provided to move data to and from the microprocessor

Memory Management Unit

Circuits designed to keep track of information that has been processed, reclaim the space when the instructions are done, and help organize the way instructions and data are stored

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