A text message service used by a number of digital cell phone systems to send and receive short alphanumeric messages less than 160 characters in length is:
A. SMS.
B. WAP.
C. GSM.
D. WML.
Answer:A
A text message service used by a number of digital cell phone systems to send and receive short alphanumeric messages less than 160 characters in length is:
A. SMS. B. WAP. C. GSM. D. WML.