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Computer Hardware

Computer Hardware. Dell Lab Computer without case. What is all this stuff???. Power Supply Motherboard Processor Video Card RAM (Random Access Memory) Hard Drive Cooling I/O devices ( Input/Output ). The Power Supply. Turns AC power from the outlet into DC voltage

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Computer Hardware

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  1. Computer Hardware

  2. Dell Lab Computer without case

  3. What is all this stuff??? • Power Supply • Motherboard • Processor • Video Card • RAM (Random Access Memory) • Hard Drive • Cooling • I/O devices (Input/Output)

  4. The Power Supply • Turns AC power from the outlet into DC voltage • 110v AC converted to 3.3v, 5v, and 12v DC • This process generates heat Why is the power supply designed with all of the slots in it?

  5. The Motherboard • The motherboard is what ties all of the parts of a computer together • Power Supply, Processor, RAM, Hard Drive, Video Card, Fans, I/O devices all are plugged into the motherboard. • Motherboard controls all of the systems that make a computer work

  6. The Processor • The Processor is what calculates code incoming from the motherboard • All calculations are done in binary code. • Binary Code only consists of 2 digits 0s and 1s • Generates a lot of heat

  7. Video Card The video card is responsible for getting the image to the monitor. I do not see this in our Dell computer. Why?

  8. Video Card • Some motherboards are designed with a video card integrated into it. • Achieves a cost savings but loss in performance

  9. Random Access Memory RAM is a place for the motherboard to store data that will be used by the processor for calculations RAM has a very fast data transfer rate

  10. Hard Drive The hard drive is another place the computer uses to store data. Different than RAM Much slower transfer speeds New technology uses RAM in harddrives instead of platters Operating System/Software stored here

  11. Cooling a Computer Fan in back of power supply Computers generate heat and that heat must dealt with to avoid damage Fans are the most common ways to dissipate heat. Heat Sinks are another way to deal with the heat problem. Processors and Power supplies generate so much heat a combination of fan and heat sink are used Heat Sink without fan Heat Sink with fan

  12. Input and Output Devices • Keyboard • Mouse • Speakers • Scanner • Bar Code Reader • Monitor • Can you name more?

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