It is offered once a year and is normally taken in the Ph.D. student's first year. The Ph.D. Comprehensive Examination has content determined by the student's advising committee. Completion of the Ph.D. degree typically takes 2-3 years after the the M.S. degree or about 4 years from the B.S. degree. There are many types. TAs include the same fee reduction as RAs.
Pay depends on the number of course assignments and normally includes the same fee reduction as RAs.
Holcombe Supplements - these are departmental awards that are normally used to supplement other forms of support. The duration of the awards is one year. K Clemson University Fellowships - these are awarded by the Graduate School based on nominations from the individual departments. Other Fellowships - there are a variety of additional fellowships and supplements given by the College of Engineering and Science and by the ECE Department. Many can be used to supplement other forms of support.