- Disassembly Overview
- Electrostatic Discharge (ESD)
- EMI (Electromagnetic Interference)
- Disassembly
- Tools
- Opening the Case
- Cables and Connectors
- Storage Devices
- Motherboards
- Mobile Device Issues
- Reassembly
- Preventive Maintenance
- Basic Electronics Overview
- Electronics Terms
- Power Supply Overview
- Power Supply Form Factors
- Purposes of a Power Supply
- Power Supply Voltages
- Mobile Device Travel and Storage
- Mobile Device Power
- ACPI (Advanced Configuration and Power Interface)
- Replacing or Upgrading a Power Supply
- Symptoms of Power Supply Problems
- Solving Power Supply Problems
- Adverse Power Conditions
- Adverse Power Protection
- Surge Protectors
- Line Conditioners
- Uninterruptible Power Supply (UPS)
- Standby Power Supply (SPS)
- Phone Line Isolator
- Electrical Fires
- Computer Disposal/Recycling
- Soft Skills?Written Communications Skills
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
Review Questions
What would happen if you removed the battery from the motherboard by accident?
List three tasks commonly performed during preventive maintenance.
Computers used in a grocery store warehouse for inventory control have a higher part failure rate than the other company computers. Which of the following is most likely to help in this situation?
- an antistatic wrist strap
- a preventive maintenance plan
- antistatic pads
- high wattage power supplies
Which of the following can prolong the life of a computer and conserve resources? (Select all that apply.)
- a preventive maintenance plan
- antistatic mats and pads
- upgraded power supply
- a power plan
- using a Li-ion battery as a replacement
- extra case fans
Which power component has a 20- or 24-pin connector?
- ATX power supply
- UPS
- line conditioner
- SPS
- surge protector
An optical drive randomly becomes unavailable, and after replacing the drive, the technician now suspects a power issue. What could help in this situation?
- a UPS
- a surge protector
- antistatic wipes
- a preventive maintenance plan
- a multimeter
Which unit would you recommend for the help desk people who sit at a computer for a 24/7 operation where help must be provided at all times?
- a UPS
- a surge protector
- an upgrade power supply
- a line conditioner
When disassembling a computer, which tool will help you remove the memory module?
- magnetic screwdriver
- needlenose pliers
- #1 or #2 Phillips screwdriver
- antistatic wrist strap
How would a technician normally access a memory module that needs to be replaced on a netbook? (Select the best answer.)
- by removing the DC power jack
- by removing a secured bottom compartment
- by removing the speaker
- by removing the display
Which part would be specialized when used with a laser printer? [ surge strip | vacuum | multimeter | antistatic wrist strap ]
Which two of the following would most likely cause a loud noise on a desktop computer? (Select two.) [ motherboard | USB drive | power supply | case fan | memory | PCIe adapter ]
A computer will not power on. Which of the following would be used to check the wall outlet? [ power supply tester | UPS | multimeter | POST ]
A computer will not power on. After checking the wall outlet and swapping the power cord, what would the technician use next?
- power supply tester
- UPS
- antistatic wrist strap
- magnetic screw driver
- nonmagnetic screw driver
Which of the following is affected by the power supply wattage rating?
- number of internal storage devices
- number of power supply connectors
- speed of the processor
- type of processor
- type of power supply connectors
Which of the following would help with computer heat?
- increased power supply wattage
- larger power supply form factor
- unplug unused power connectors
- install case fans
Lightning is prevalent in Jacksonville, Florida. What would you recommend for home owners who would like to keep working even when a storm is rolling through? [ surge protector | phone line protector | UPS | line conditioner ]
Consider the following email.
Reword this email to illustrate good written communication skills.
List three recommendations for good technical written communication.
What type of fire extinguisher can be used on electronic equipment?
List three recommendations for saving power on a laptop.