Select the three areas in which it would be most important for an instructional designer to be trained. 1.psychology 2.computer applications 3.sales and marketing 4.educational theory 5.business management

Your mom wants to purchase a laptop computer. she said she wants her new computer to be able to play her dvds so she can listen to music and wants to know what type of optical drives will play her disk. which type of drive should she look for?