IT 1: Chapter 2: Safe Lab Procedures and Tool Use
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CUR
2.1
Name _________KOU HER__________________________________
QUESTION
ANSWER
Explain the purpose of safe working conditions and procedures
tools and software used with personal
1. What are three characteristics of a
computer components and their purposes
safe workplace?
2. What are three reasons to follow
proper procedures for handling
computer equipment?
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2.1.1
. Identify safety procedures and
potential hazards for users and
technicians.
Identify safety procedures to protect
equipment from damage and data
from loss.
Identify safety procedures to protect
the environment from contamination
Identify safety procedures and potential hazards for users and technicians
fire extinguisher and first-aid kit are available
3. What two things should be available
in case of fire or injury
in case of fire or injury?
4. T/F You should wear the antistatic
wrist strap when repairing power
supplies or monitors.
5. To avoid an electrical shock, and to
prevent damage to the computer,
what should you do before you begin
repairing the computer?
6. What class of fire extinguisher
should be used for paper fires?
7. What class of fire extinguisher
should be used for electrical fires?
8. How do you use a fire extinguisher?
True
tunplug the computer before beginning a
repair.
A
C
P - Pull the pin.
A - Aim at the base of the fire, not at the
flames.
S - Squeeze the lever.
S - Sweep the nozzle from side to side.
e nozzle from side to side.
2.1.2
Identify safety procedures to protect equipment from damage and data from loss
30 volts
9. How many volts of static electricity
can damage a computer?
10. T F To prevent ESD damage, you
should keep all components in
antistatic bags until you are ready
to install them.
11. T F To prevent ESD damage, you
should use antistatic wrist straps
when working on computers.
12. What is the movement of electrons
called?
13. What device diverts extra electrical
voltage on the line to the ground?
14. What device should never be
plugged into a USP device?
IT-02 Safety
True
False
current
Surge suppressor
Never plug a printer into a UPS device
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15. Which condition refers to a
sudden increase in voltage, which is
usually caused by lighting?
16. What condition refers to a reduced
voltage level of AC power that
lasts for a period of time?
2.1.3
20. According to the U.S.
Environmental Protection Agency
(EPA), how much lead might be in a
CRT?
21. What is the proper way to dispose
of outdated CRTs?
22. Which three computer components
contain hazardous materials and
require special handling for
disposal?
U.S department of Labor
Material Safety and Data Sheet
Recycling batteries All batteries, including
lithium-ion, nickel-cadmium, nickel-metal
hydride, and lead-acid are subject to
disposal procedures that comply with
local environmental regulations.
4 lbs (1.8 kg) of lead
Monitors must be disposed of in
compliance with environmental
regulations.
Used printer toner kits and printer
cartridges must be disposed of properly
or recycled
Identify tools and software used with personal computer components and their purposes
Identify hardware tools and their purpose
23. Which two tools can help protect
against ESD? (Choose two.)
24. What diagnostic tool is used to test
hardware?
2.2.2
Brownout
Identify safety procedures to protect the environment from contamination
17. What agency in the U.S. requires
that all hazardous materials be
accompanied by a MSDS when
transferred to a new owner?
18. A technician accidentally spills a
cleaning solution on the floor of the
workshop. Where would the
technician find instructions on how
to properly clean up and dispose of
the product?
19. What should a technician do with
batteries?
2.2
2.2.1
Spike
Antistatic wrist strape and antistatic
mat
toolkit
Identify software tools and their purpose
25. What is used to check the integrity
of files and folders on a hard drive
by scanning the disk surface for
physical errors in Win 2000?
26. What is used to optimize space
Scandisk or Chkdsk
Defrag
on a hard drive to allow faster
access to programs and data
27. What is a system utility that
performs tasks such as initializing
Disk Management
disks, creating partitions, and
formatting partitions?
28. If you want to restore damaged or
lost Windows XP files, what disk
can you use?
IT-02 Safety
Windows XP boot disk
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Antivirus program
29. What type of program protects a
computer against virus attacks?
Firewall program
Spyware remover
30. What type of program removes
software that may be installed
without consent of the computer
user and is used to send
information about web surfing
habits to an attacker?
31. Which three tools will optimize
computer performance after using
the Internet?
2.2.3
1. Lay the mat on the workspace next to
or under the computer case.
2. Clip the mat to the case to provide a
grounded surface on which you can
place parts as you remove them from
the system.
3. Always handle component by edges
Demonstrate proper use of various hand tools
34. What can happen to screws if you
over-tighten them with a
screwdriver?
35. Why shouldn’t a pencil be used
inside a computer to change the
setting of the switches or to pry off
jumpers?
2.3.4
documentation
Implement proper tool use
Demonstrate proper use of an antistatic wrist strap
Demonstrate proper use of an antistatic mat
33. A technician wants to limit the
chances of ESD affecting his
workspace. Which three
precautions should be taken?
(Choose three.)
2.3.3
Antivirus program
Spyware remover.
Firewall program
Identify organizational tools and their purpose
32. What is a valuable resource to have
with you when repairing a computer
in the field that can be used for
research, downloading and
communicating?
2.3
2.3.1
2.3.2
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This will damage the head of the
screwdriver.
The pencil lead can act as a conductor and
may damage the computer components.
Demonstrate proper use of cleaning materials
36. What can happen to electrical
components that have an excessive
buildup of dust?
37. What is recommended to remove
dust from inside a computer case?
38. What is the first step that should be
performed when servicing computer
equipment?
39. TRUE/FALSE Do not use
ammoniated glass cleaners or any
other solution on an LCD screen.
40. TRUE/FALSE To clean the screens
IT-02 Safety
an excessive buildup of dust will act like
an insulator and trap the heat
When compressed air is used to clean
inside the computer, the air should be
blown around the components with a
minimum distance of four inches from the
nozzle.
turn it off and unplug the device from the
power source.
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True
True
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of CRT monitors, dampen a soft,
clean, lint-free cloth with distilled
water and wipe the screen from top
to bottom.
41. TRUE/FALSE Clean dusty
components with a can of
compressed air.
42. What device is cleaned with
compressed air or a small, handheld vacuum cleaner with a brush
attachment?
43. You should spray glass cleaner
directly on the mouse
IT-02 Safety
False
keyboard
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False
4-4