1. what is a register? 2. name the functions of the following registers: • program counter (pc) register • instruction register (ir) • memory address register (mar) • memory data register (mdr 3. what are the four primary operations that are normally performed on a register?

Create a class named majors that includes an enumeration for the six majors offered by a college as follows: acc, chem, cis, eng, his, phys. display the enumeration values for the user, then prompt the user to enter a major. display the college division in which the major falls. acc and cis are in the business division, chem and phys are in the science division, and eng and his are in the humanities division. save the file as majors.java.