21. :: : " Alphanumeric " is just a shorthand way of saying " alphanumeric character ". 22. Fourteen and sixteen-segment displays were used to produce alphanumeric characters on calculators and other embedded systems. 23. On these machines the basic data element was an alphanumeric character , typically encoded in 6 bits. 24. Some sites also block non-ASCII or non-alphanumeric characters . 25. Captain differed from comparable European videotex systems by not being based on the transmission of alphanumeric characters . 26. But SMS messages cannot include graphics or pictures and can be no longer than 160 alphanumeric characters . 27. Ophcrack recovers your forgotten password, provided it's less than 14 characters, and only consists of alphanumeric characters . 28. Incorporating all of the above components, each course is assigned a course code consisting of 7 alphanumeric characters . 29. Features up to 66 alphanumeric character codes, up to 10 segments and user-defined fields with 50 character descriptions. 30. These " tattoos " contains the last 8 alphanumeric characters that comprise the serial number of the car.
