It telecommunications and computer networks, multiplexing (known as muxing)
I think the answer is c (let me know if i'm wrong)
B. A long list of words is better remembered if the words are organized categorically.
By providing relevant information and knowledge, skills and attitudes, the study of Social Science prepares students to grow up as active, responsible, and reflective members of society. It also teaches them to address societal and global concerns using literature, technology and other identifiable community resources.