Computer Ergonomics - JSS2 Computer Studies Past Questions and Answers - page 1
What is the primary focus of ergonomics in the context of using computers?
Designing computer hardware
Creating a comfortable and efficient work environment
Programming software applications
Developing computer algorithms
What is the recommended position for the computer screen to reduce neck strain?
Below eye level
At eye level or slightly above
Directly in line with the chest
Above eye level
Why is it important to take regular breaks while using the computer?
To increase screen brightness
To prevent eye strain
To maintain proper keyboard placement
To reduce stiffness and discomfort
How should the keyboard and mouse be positioned for ergonomic use?
Above eye level
At different levels
At the same level
Far from the chair
What is the 20-20-20 rule related to computer ergonomics?
Adjusting chair height every 20 minutes
Taking a 20-minute break every hour
Looking at something 20 feet away for 20 seconds every 20 minutes
Using a computer for 20 hours a day
Why is proper lighting important in an ergonomic workspace?
To increase energy efficiency
To reduce glare on the computer screen
To enhance the computer's performance
To create a cozy atmosphere
What is the purpose of using an ergonomic chair?
To increase lumbar support
To promote discomfort
To encourage poor posture
To limit movement
What does the 90-degree angle of the knees in a seated position signify?
Proper chair height
Uncomfortable seating
Incorrect ergonomic setup
Correct ergonomic seating
What accessory can be used to hold physical documents at eye level while using the computer?
Document shredder
Document holder
Stapler
File organizer
What is the purpose of the 20-20-20 rule for eye care?
Enhancing keyboard visibility
Reducing eye strain
Increasing screen brightness
Improving mouse sensitivity