The Various Services Offered by Google,such as Gmail (E-Mail),Google Drive

The various services offered by Google,such as Gmail (e-mail) ,Google Drive (word processing) ,or Google Calendar,all of which are accessed via a Web browser,freeing users from the task of installing or updating traditional desktop applications or worrying about storing or backing up data,are good examples of ________.

A) cloud computing
B) computer assembling
C) data mining
D) systems integration
E) internetworking