Defined by Techopedia, a chat room is a designated virtual channel where users communicate with each other through the Internet traditionally in plain text only With the rapid developments in Web technology, transmission of images and emoticons in a chat room is much more efficient and transparent than before. Various versions of online chat room, such as online chattingInstant messaging and online forums which mostly synchronous $,$ but forum format is asynchronous. Some chat rooms require a username and password combination in order to log in or join a conversation, allowing for privacy among the users. Following the software process activities, $($a$)$ define a task set of online chat room in two activities