chap02 - Principles of Telecommunications Technology...

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Principles of Telecommunications Technology Chapter 2
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Objectives In this chapter, you will learn to: Describe the principles of electricity that underlie all telecommunications signaling Explain the concepts of current and voltage as they apply to telecommunications technology Describe the components on an integrated circuit Explain the difference between analog and digital transmission Use binary encoding to represent decimal numbers Describe various electricity and data transmission measurements
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Atomic Charges Charge - the characteristic of a material that enables it to exert force on another material. Neutrons - found at the center of an atom, possess no charge and are said to be neutral. Protons - found at the center of an atom along with neutrons, carry a positive charge. Electrons - orbit the center of an atom and carry a negative charge
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Atomic Charges
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Static Electricity Static electricity - the release of an accumulated charge in some material or object. Because the charges inherent in electrons and protons are bound to balance each other through static electricity, these charges are also called electrostatic charges .
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Electric Current Electric current - the controlled movement of an electrical charge (or electrons) along the atoms of a conductor. Circuit
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This note was uploaded on 10/25/2009 for the course IT 300 taught by Professor Staff during the Spring '08 term at George Mason.

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chap02 - Principles of Telecommunications Technology...

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