Question

what is the purpose of the small ridges or bumps found on the f and j keys of a keyboard?they indicate that these keys are the most frequently used.they serve as tactile guides for proper hand positioning on the home row.to prevent the keys from stickingto make the keys feel differentquestion 3 (5 points)why is it important to place your fingers on the home row keys when typing?it allows you to type more quickly, more accurately, and more comfortably.it makes the keyboard less noisy.it helps to prevent the keys from wearing out.it prevents the keyboard from overheating.

Explanation:

For the first question, the ridges on F and J keys are tactile guides for proper hand - home row positioning. Typists use them to find the home row without looking.
For the second question, placing fingers on home row keys allows for faster, more accurate, and comfortable typing. It's a standard typing technique that optimizes finger movement across the keyboard.

Answer:

First question: They serve as tactile guides for proper hand positioning on the home row.
Second question: It allows you to type more quickly, more accurately, and more comfortably.