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Description: CompTIA A+ certification notes. These notes also work for any general electrical engineering / computer science course.
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Three Threats to Your PC: ESD, EMI, and RFI
Monday, March 7, 2016
8:38 AM
Three Main threats to your computer:
• ESD: The static shock you get when touching certain objects
...
• EMI: Can me used to wipe information off of Hard Drives, clears binary charges
...
• RFI: Least Dangerous; Rave waves conflicting with each other to cause static
...
There are different platters with different
charges that determine whether or not data are 1's or 0's
...
• ESD really only affects RAM and CPU
• All equipment comes with anti-static bags
•
Operational Procedures Page 1
Equipment Safety
Monday, March 7, 2016
•
•
•
•
10:06 AM
Manage your cables fagget
Keep a fire extinguisher
Use Type B-C fire extinguisher
A screwdriver is the most important pc tool
Multimeter Meter that detects multiple forms of electricity
Operational Procedures Page 2
External Connections
Wednesday, March 9, 2016
USB
9:06 AM
Universal Serial Bus
• Male Connectors have penises
...
Ethernet
Networking Port
eSATA
For Removable Hard Drives output port
...
S/PDF
Fiber Optic Audio Cable
...
DVI
Digital Visual Interface, common output connection (monitors, TVs
...
Carries both video and audio
...
•
•
•
•
•
•
Green: Front Stereo System
Pink: Microphone in
Blue: Line In
Orange: Bass / center speaker
White: Side Speakers
Black: Rear Speakers
Power
The primary power supply to your computer
Front Panel
Connections
Extra Ports on the front of the PC for convenience
...
Usually only
found on some video cameras now
...
Legacy Connections:
• PS2: For Mouse / Keyboard
• Serial Port: One byte at a time general port
Description: CompTIA A+ certification notes. These notes also work for any general electrical engineering / computer science course.