SSD's, SSHDS and magnetic disks
the internal hard drives that are used in laptops
Brainstorming is defined on Dictionary.com as:
"produce an idea or a way of solving a problem by holding a spontaneous group discussion."
so I would say brainstorming.
Answer: Getting scholarships to further their education, motivates high school students to join professional organizations
Explanation: The reason is because a person is able to work legally when he/she turns 18 and there are many students in the United States, who want to get further education but cannot due to financial constraints. Thus, many students are motivated to join a professional organization to save money and get scholarships for their higher studies.