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Speech 450 Professor Rosati Computer Hardware

kids-online----- Inside a computer. Computers are magic boxesOnce you buy a computer you use it until it gets too oldComputers are all the same, It is only the operating system that changesYou need to be a technician to service a computer. Computer Hardware Myths. Power Supply. The power supply s

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Speech 450 Professor Rosati Computer Hardware

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    3. Power Supply The power supply supplies the power to the computer. It supplies power to the motherboard, the drives, and also, normally, contains a fan that helps assist in the task of cooling the computer. Power supplies come in a variety of wattages. 200 watt and 250 watt, are the most commonly used power supplies.

    4. Power Supply The power supply reduces the amount of wattage Voltage Conversion Tutorial The Power Supply can retain some electrical charge, so remember to ground yourself, especially before handling chips and cards

    5. Microprocessor

    7. Processing the Information Level 1 cache memory, is memory that is included in the CPU itself. Level 2 cache memory, is memory between the RAM and CPU, but not directly on the CPU chip itself. Memory is found in multiples of 8

    8. Restricting the Flow

    10. ROM

    11. Motherboard

    12. RAM, SDRAM and SIMMS RAM--Random Access Memory- Motherboard overflow A bus is a connection between two items on the motherboard. SIMM's (Single Inline Memory Modules) SDRAM What you call the Ram if you want to use proper techspeak (Synchronous Dynamic Random Access Memory ) Flash Memory--Erasable /portable memory chips

    13. Power Cables

    14. IDE Cable (ribbon cable)

    15. Internal Drives 5 ˝ “Floppy disk 3.5 Drive CD Drive DVD Drive ZIP Drive Tape Drive Thumb Drive

    16. Hard Drive Measured in Gigabytes 20, 40, 80, 300 GB sizes Terabyte Drives are on the market SCSI, USB Externals NEVER open a Hard Drive

    17. Size Matters MHz---MegaHertz GHz- GigaHertz

    18. Size Matters TB---Terabyte 1,000 gigabytes

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