CISC 7334X Midterm Exam 1. c 2. a 3. d 4. c 5. d 6. c 7. d 8. b 9. c 10. e.: 36Mbps; # 12*log(7+1)/log(2) 11. e.: 30Kbps; # 90000 / (log( (28+4)/4 ) /log(2) ) 12. e.: ~3 voltage levels; # 2.8284; 2^(90000/(2*30000)) 13. e.: 4 voltage levels 14. e.: 13; # 13.010; 10 * log(20)/log(10) 15. e.: 26Mbps; # 26.633; 4 * log(100+1)/log(2) 16. e.: 470bps; # 470.64; 1000.0 - 1000.0 * -(0.88*log(0.88)/log(2) + 0.12*log(0.12)/log(2)) 17. e.: ~-1; # -0.96910; 10 * log ( 20 / 25 ) /log(10) 18. d 19. d 20. a