What is the use of icons in windows

In a response of approximately 50 words, explain why it would be essential for the successful a/v technician to participate in additional coursework, presentations and seminars offered by equipment manufacturers as well as annual conferences attended by colleagues in the industry.

Which of the following is not contained on the slide show toolbar? a. next button b. slide button c. close button d. pen too

How would you categorize the software that runs on mobile devices? break down these apps into at least three basic categories and give an example of each.