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Chapter 2 Test ITSC 1371

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General Safety
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Terms in this set (71)
General Safety
Make sure a first-aid kit is available.
Unsecured cables create tripping hazards.
Food and drinks should not be in the workspace.
Remove jewelry.
Electrical Safety
Computer power supplies are dangerous when disassembled.
Watch for printer areas that are hot or that use high voltage.
Check the voltage output of AC adapters and chargers before connecting them to devices.
Fire Safety
Turn off the power and unplug equipment before performing service.
Different types of fires require different types of fire extinguishers; make sure to use to correct one.
Be alert for odors emitting from computers and electronic devices.
ESD
ESD can cause damage to computer equipment if not discharged properly.
ESD can build up on you as you walk on a carpeted floor.
EMI
EMI distorts the signals, degrading computer communication.
EMI can be generated by large motors, power lines, electrical storms, or any other source of electromagnetic energy.
Wireless networks are affected by RFI.
RFI is caused by radio transmitters transmitting in the same frequency.
----------- and ------------- levels also affect computers
Environmental temperature; humidity
Grounding bracelet
Image: Grounding bracelet
Grounding mat
Image: Grounding mat
Power Fluctuation Types
Power fluctuations may impact the operation of computer components.
Blackouts, brownouts, noise, spike and power surge are types of power fluctuations that can cause data loss or hardware failure.
Power Protection Devices
Surge suppressors, UPSs, SPSs are devices designed to protect computer systems from power fluctuations.
Laser printers should not be plugged to UPSs
Safety Data Sheet
Use an SDS (formally MSDS) to obtain information about a material, including procedures for proper disposal.
The SDS contains information on the material's composition, how it can affect personal health, fire hazards, and first-aid requirements.
It also includes protective measures for the safe handling and storage of materials and spill, leak, and disposal procedures.
Equipment Disposal
Computer equipment contains hazardous materials and should be properly disposed.
Follow regulations to protect the environment and avoid fines.
Batteries, monitors, toner kits, cartridges, developers, chemical solvents and aerosol cans are examples of equipment that must be properly disposed.
Software Tools
task-specific.
Used to diagnose problems, maintain hardware, and protect the data stored on a computer.
Used for disk management, formatting, error checking, drive optimization, disk cleanup and more.
CCleaner, Belarc Advisor
Protection Software Tools
Malicious software can damage or compromise operating systems, applications, and data.
Software protection tools include antivirus, antispyware, firewalls and update manager software.
Personal Reference Tools
Include troubleshooting guides, manufacturer manuals, quick reference guides, and repair journals.
History of repairs and a notepad can be extremely useful as a technician performs troubleshooting and repairs.
The Internet can be a great reference tool by providing access to specialized forums, search engines, manufacturer's FAQs, and more.