Show:
OSI Model
Terminology
Power
Tools
ESD - RFI - EMI
100
Layer 1
What is Physical?
100
Volatile memory system into which programs are loaded for running
What is RAM?
100
Over voltage that lasts seconds
What is Power Surge?
100
BEST choice for removing screws from computer case
What is a 3-prong holder?
100
ESD (Electrostatic Discharge) builds up most easily in these two conditions (warm or cold and dry or wet)
What is cold and dry?
200
Layer 2
What is Data Link?
200
Combination of memory chip and built-in software that is required to boot computer or power-on device
What is firmware?
200
Under voltage that lasts seconds?
What is brownout?
200
Screwdriver with two smooth sides, and fits in a slotted screw head
What is flat-tip, NOT flat head?
200
Miniature circuits inside a computer chip can be damaged by
What is ESD - Electrostatic Discharge
300
Layer 3
What is Network?
300
Small software program written specifically for a hardware device
What is a driver?
300
This is used to properly size UPS
What is volt-amp (VA) rating?
300
Used to specifically test 20-pin or 24-pin power supply connector
What is power supply tester?
300
Transfer of static electricity from one object to another
What is ESD - Electrostatic Discharge
400
Switches usually function here
What is Layer 2?
400
Electronics device that uses varied voltage signals
What is analog?
400
Modifies power signal to remove noise or provide sufficient voltage
What is a line conditioner?
400
Used to test devices by redirecting signal on transmit port to the receive port
What is a loopback plug?
400
Magnets and magnetic fields produce this
What is EMI - Electromagnetic Interference
500
IP Addresses are a key component of this layer
What is Layer 3 - Network?
500
CMOS
What is complementary metal-oxide semiconductor?
500
UPS that powers devices from wall power, except in cases of loss of power (online or offline)
What is offline?
500
Used to troubleshoot a computer that doesn't start up correctly. Inserted in an expansion slot.
What is a POST card?
500
Baby Monitors, Cell Phones, and Cordless Phones generate this
What is RFI (radio frequency interference)