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39 Cards in this Set
- Front
- Back
- 3rd side (hint)
Voltage |
Potential difference measured in volts |
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Current |
Flow of electrons. Measured in amps |
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Resistance |
Conductivity measured in ohms (R) |
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Power |
Watts=(volts * amperage) |
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Alternating current |
Wave of power at varying voltage |
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Direct current |
Consistent short range power at stable voltage |
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Conductor |
Material that is more likely to carry charge |
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Insulator |
Material less likely to carry charge |
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Resistor |
Device designed to hold back flow of current |
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Capacitor |
Power well or reserve |
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Semiconductor |
Device that allows electricity to flow one way but not the other |
Diode or transistor |
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Fuse |
Device that breaks a connection when too much wattage passes through |
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What voltages do PCs use? |
3.3V, 5V, & 12V |
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Surge |
Too much power for too long. Can break stuff |
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Spike |
Very brief power surge. Can be mitigated by fuse |
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Line conditioning |
Keeps exactly stable voltage for internal power grids to prevent sparks. Think hospitals |
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UPS |
Uninterruptible Power Supply |
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KVM |
Keyboard video & mouse |
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MIDI |
Musical Instrument Device Interface |
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SATA |
Serial Advanced Technology Adapter |
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DRAM |
Dynamic random access memory |
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SDRAM |
Synchronous Dynamic Random Access Memory |
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DIMM |
Dual Inline Memory Module |
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Double Pumped RAM |
2 data transfers per clock tick. Also known as PC-Xxxx (ie ddr2 is pc2-xxxx) |
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What makes RD RAM different |
Conductive gel instead of individual circuits, increases surface area and therefore, storage |
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DDR |
Double data rate. Double pumped memory |
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Ddr2 and 3 have _____ number of pins |
240 |
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Ddr RAM has _____ pins |
184 |
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SODIMM |
Small Outline Dual Inline Memory Module |
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RAM Density |
Number of chips and capacity per chip |
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ECC |
Error correcting code |
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DIN |
Deutsch industry norm |
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MiniDIN is also known as |
PS/2 |
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VGA |
Video graphics adapter |
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What port is this? |
FireWire |
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Rj45 |
Registered jack 45. Ethernet port |
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Rj11 |
Registered jack 11. Phone line |
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Another name for FireWire is |
IEEE1394 |
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Ribbon cables could also be called |
PATA or parallel cable |
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