Chapter_4. Reviewing basics answers

Chapter_4. Reviewing basics answers - Kbrom tewoldu Chapter...

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Kbrom tewoldu Chapter 4 REVIEWING THE BASICS 1. Volts are a measure of what characteristic of electricity? A potential difference in electrical system 2. What is the normal voltage of house electricity in the U.S.? 110 volts 3. Hot wires in home wiring are normally colored _black___ and ground wires in computers are normally colored _green or bare____. 4. What is the difference between a transformer and a rectifier? Which are found in a PC power supply? Rectifier is a device that converts alternating current to direct current. And transformer is a device that changes the ratio of current to voltage. Both are found in computer 5. What are the five voltages produced by an ATX or BTX power supply? +12 V, -12 V, -5 V, +5 V, +3.3 V 6. What is the purpose of the 4-pin auxiliary connector on a motherboard? To provide additional 12 Volt power for proccessors. 7. How many pins does the main power connector on a BTX board have? 20 pins
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This note was uploaded on 08/29/2011 for the course COMP 129 taught by Professor Na during the Spring '11 term at DeVry Irving.

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Chapter_4. Reviewing basics answers - Kbrom tewoldu Chapter...

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