After earning a learner’s license, what test must be successfully passed to earn an operator’s license?

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.

Jason works as an accountant in a department store. he needs to keep a daily record of all the invoices issued by the store. which file naming convention would him the most?

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.