Page 354 - Computer - 9(A&B)
P. 354

Q.21  Why are typing ergonomics important, and what factors are included in typing ergonomics? (1+3)

             Ans:  Importance of Typing Ergonomics:
                   Typing ergonomics is crucial for efficient and effective typewriting. It helps attain and maintain accuracy
                   and speed while reducing fatigue and discomfort. Proper ergonomics can prevent strain and injuries,
                   promoting long-term health and productivity.
                   Factors Included in Typing Ergonomics (Include any 3 points)

                    1.  Sitting Posture:
                       •  Sit straight with a slightly forward-bending neck.
                       •  Ensure comfort and proper body positioning.
                       •  Touch the lower back to the backrest and both feet to the floor.
                    2.  Position of Hands:
                       •  Keep forearms level with the keyboard, palms down.

                       •  Maintain straight wrists and natural elbow positioning, bent at about a 90-degree angle.
                    3.  Monitor Placement:
                       •  Avoid neck bending by keeping the upper border of the screen at eye level.
                       •  Maintain a distance of approximately 60–65 cm from a 17-inch screen.
                    4.  Mouse and Keyboard Placement:
                       •  Keep them together at a distance of about 20 cm for smooth operation.

                       •  Ensure the same height for the keyboard, mouse, and elbows for comfort.
                    5.  Chair and Table Placement:
                       •  Adjust the chair and table to optimal heights.
                       •  The chair should support the lower back.
                       •  Ensure the computer table has enough leg space and separates vibrating devices like printers.

                    6.  Placement of Matter to be Typed:
                       •  Place the material on the left or right side of the keyboard on a copy holder with a sloping surface.




































               216
               216
   349   350   351   352   353   354   355   356