Chapter 2 Flashcards
What is ESD?
It is the sudden discharge of static electricity that can adversely affect a component
Which device can protect computer equipment from brownouts by providing a consistent quality of electrical power?
UPS
Which tool would be used to create a partition on a hard drive?
Disk Management
How should a technician discharge static buildup while working on a computer system?
Maintain contact with an unpainted part of the computer case.
Which piece of software is designed to protect against unauthorized communications to and from a computer?
firewall
Which tool would be used to scan Windows critical system files and replace any corrupted files?
SFC
Which tool can be used to take resistance and voltage measurements?
multimeter
True / False: You should always wear an antistatic wrist strap, regardless of the device you’re working on?
False. Never wear an antistatic wrist strap when repairing power supplies or CRT monitors.
What is EMI?
Electromagnetic interference (EMI) is the intrusion of outside electromagnetic signals in a transmission media, such as copper cabling.
What is a blackout?
Complete loss of AC power.
What is a brownout?
Reduced voltage level of AC power that lasts for a period of time.
What is noise?
Interference from generators and lightning.
What is a spike?
Sudden increase in voltage that lasts for a short period and exceeds 100 percent of the normal voltage on a line.
What is a power surge?
Dramatic increase in voltage above the normal flow of electrical current.
True / False: Printers can be plugged into a UPS?
False.
What does the acronym MSDS stand for and what is it?
A Material Safety and Data Sheet (MSDS) is a fact sheet that summarizes information about material identification, including hazardous ingredients that can affect personal health, fire hazards, and first-aid requirements.
What is OSHA?
Occupational Safety and Health Administration for the United States of America
What are the four categories of hardware tools?
- ESD tools
- Hand tools
- Cleaning tools
- Diagnostic tools
What type of screwdriver would you use for this screw?
A phillips screw driver.
What are four examples of Cleaning Tools used?
- Soft, Lint-free cloth
- Compressed Air / Duster
- Cable Ties
- Parts Organizer
What is the purpose of System File Checker (SFC)?
Scans the operating system critical files and replaces files that are corrupted.
How would you clean a CRT display?
Dampen a soft, clean, lint-free cloth with distilled water and wipe the screen from top to bottom. Then use a soft, dry cloth to wipe the screen and remove streaking.
True / False: You should use ammoniated glass cleaners to clean LCD displays?
False. Only use a specificly designed LCD cleaning solution or distilled water.
