DEVELOPMENT
PRE-TEST: Multiple Choice. Choose the letter of the correct answer.
1. It is the disorders of the muscles, nerves, tendons, ligaments, joints, cartilage, or spinal discs partially caused, aggravated, accelerated, or exacerbated by adverse working conditions.
A.Work-related
musculoskeletal disorders
B.Word-related musculoskeletal
disorders
C.Work-related
musculoskeletal disk
D.Work-related musculoskeletal disease
2.Symptoms of
_____________________ include smarting, itchiness, redness, tearing or dryness,
or eye pain.
A.Back pain C.
Eye strain
B.Visual Fatigue D. Headache
3. Which of the following
groups consists of only input devices?
A. Mouse, Keyboard, Monitor
B. Mouse, Keyboard, Printer
C. Mouse, Keyboard, Plotter
D. Mouse, Keyboard, Scanner
4. What connector is used to connect a monitor in the computer system unit?
A. HDMI connector
B. VGA Connector
C. USB Connector
D. PS2 Connector
5. What does USB means?
A. Universal System Bus
B. Universal Serial Bug
C. Universal Serial Bus
D. Universe System Bus
6. This key is used to move
down one line and register information into the computer.
A. Alternate keys C.
Return or Enter key
B. Shift key D. Command key
7. Which home row
keys are used by the left hand?
A. GHJK B. SDFG C. JKL; D. FDSA
8. What do you press to make
a gap between words?
A. space bar B. caps lock C. Esc D. Tab
9. Which one of the following is application software?
A. Windows 10 C.
Linux
B. Spreadsheet D. Microsoft DOS
10. Which is the first
program run on a computer when the computer boots up?
A. System software C.
System operations
B. Operating system D.
None
11. The operating system manages
A. Memory C.
Disks and I/O devices
B. Processes D. All of the above
12. All of the following are
examples of application software except
A. MS Word B. MS Excel C. MS Access D. MS Windows
13. What do you do to start
the boot process?
A. Push the power button C.
Find the CPU
B. Install the bootloader D.
Press F8
14. Once the computer has power, what is the first step in the boot process?
A.Safe mode C.
Power On Self Test
B.Cache loads the bootloader D. Basic
Input Output System
15. WWW stands for
A. World Wide West C.
World Wild Web
B. World Wide Wind D.
World Wide Web
Identify the hazards found in the photos and write them in your notebook.
Safety Measures
Health and safety hazards differ from one contact center to another. This would depend among others on the tasks involved, the nature of the work organization, performance quotas and requirements, type of clients, and individual and psychosocial factors.
The workers in contact
centers invariably utilize computers in their business activities and
predispose them to risk factors that may affect the eyes and musculoskeletal
system. It is important that contact center practitioners must exercise safety
measures within their workplace.
Do you know some computer-related disorders?
Work-Related Musculoskeletal Disorders (WMSDs)
Work-related musculoskeletal disorders are disorders of the muscles, nerves, tendons, ligaments, joints, cartilage, or spinal discs partially caused, aggravated, accelerated, or exacerbated by adverse working conditions. The development of WMSDs requires weeks, months, or years of exposure to identified risk factors.
Recovery is likewise prolonged, often extending long after exposure to the risk factor has ceased. Symptoms of WMSDs may include pain, fatigue, swelling, numbness, and tingling and may be experienced in any of the body parts. In computer users, the usually affected areas are the neck, shoulder, wrist/hand, and lower back.
Visual Fatigue
Computer use is demanding to the eyes since work is done at a close distance over long periods of time. Reduced blinking rate and widening of the eye surface area when working with the computer contribute to increased eye discomfort due to drying of the eyes. Symptoms of eye strain include smarting, itchiness, redness, tearing or dryness, or eye pain.
Health and Safety Measures in Using Computer
A. Adjusting and customizing the workstation
· Position top of monitor
below eye level to favor a downward gaze
· Maintain a comfortable
viewing distance of about an arm’s length
· Tilt the monitor backward
by about 10 to 20°
· Adjust color, brightness, and contrast for eye comfort
· Place monitor
perpendicular to window or light source to reduce glare
· Close blinds or dim lights
if there is too much glare or reflection
· Always keep the monitor clean
B. Selecting chairs that are appropriate for computer work
· Adjustable height
· If provided, adjustable
armrest height and splay
· Appropriate lumbar support
· Edges that are rounded
· Five-leg base for
stability
· Fabric that breathes
· Seat pan that fits and swivels
C. Adjusting the keyboard for the comfortable posture of the hands and
wrists
· Place the keyboard at
approximately seated elbow height
· Keyboard height should
allow the shoulders to be relaxed
· Wrist position should be
straight and not bent or rotated
· Place the mouse next to the keyboard to avoid frequent reaching
D. Good work practices to prevent aches and pains
· Frequently change body
positions while consciously maintaining a neutral body posture
- Alternate between standing
and sitting
- Symmetry in posture (no
twisting, rotation, or bending) is desired so that compressive forces to and
muscle forces of the spine will be equal. This, in turn, may help prevent neck
and back pain.
· Reduce repetitions by
encouraging “break jobs” or jobs away from the computer
- Arms and hands should be
relaxed when not keying. Hands may be placed on the lap instead of holding the
fingers poised over the keys.
· Minimize stress on
the body by making use of the workstation supports
provided such as the lumbar support, footrest, wrist/armrest, etc.
Promoting the habit of using the back support of the chair may induce a reclining position rather than a forward-leaning position.
- Reduce eyestrain by:
- Detection and correction
of the error of refraction
- Exercising eye muscles and
blinking
- Looking into the distance
· Practice stress-reduction techniques
Learning Activies
Directions:
Click the link below and watch the video. Count the hazards that you will find
in the office which are shown in the video. Make a table containing the hazards
and the possible accidents or dangers that may happen if they were not
corrected.
https://www.youtube.com/watch?v=pgFrA9-kks4&feature=share&
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Hazard |
What
could happen if the hazard was not corrected? |
|
1. Faulty
connection of extension wires |
It
can cause a fire in the office |
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Direction: Modified True or False. Write T if the underlined word/s in the statement is correct, if False change the underlined word/s with the correct answer.
___________________ 1. Work-related musculoskeletal dislocate
are disorders of the muscles, nerves and tendons when working long hours in
front of the computer.
___________________ 2-3. Hand and safety hazards differ
from one contact center to another.
___________________ 4. Symptoms of eye strain or physical
fatigue include smarting, itchiness, redness, tearing or dryness, or eye
pain.
___________________ 5. There are several computed related
disorders that a worker may experience if there is no proper health and safety
management
___________________ 6. Position top of monitor below eye
level to favor a downward gaze
___________________ 7. Tilt the monitor backward by about 90 to
120°
___________________ 8. Keyboard height should allow the shoulders
to be relaxed
___________________ 9. Place mouse next to keyboard to
avoid frequent reaching
___________________ 10. Alternate between standing and dancing
___________________ 11. Reduce repetitions by encouraging “break
jobs” or job away from the computer
___________________ 12. Maximize stress on body by making
use of the workstation supports provided such as the lumbar support, footrest,
wrist/arm rest, etc.
___________________ 13. Reduced eye strain by looking into the distance
___________________ 14. Close blinds or dim lights if there
is too much glare or reflection
Essay: Describe what you have learned from the topic. Provide examples and safety practices that you have implemented at home.
Prepared by:
MARY ANN N. VILLAREAL
Teacher III
Checked by:
ROLANDO B. TALON, JR.
EPS – EPP/TLE
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