After reading the sentences below, drag and drop the main idea to the left box and the three categories to the three boxes on the right. You will NOT use all of the answers.
Computer materials can be divided into three categories: conductors- such as copper, semi-conductors- such as silicon, and insulators- such as plastic.
Alphanumeric data
Conductors (copper)
Materials
Programming
Insulators (plastic)
Semiconductors (silicon)
Letters (A,B,C)
Numbers (1,2,3)
