4. Defined by Techopedia, a chat room is a designated virtual channel where users communicate with each other through the Intemet, traditionally in plain text only with the rapid developments in Web technology, transmission of images and emotions in a chat room is much more efficient and transparent than before. Various versions of online chat room, such as online chatting, instant messaging and online forums which mostly synchronous, but forum format is asynchronous. Some chat rooms require a sername 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 tak set of online chat room in two activities 4. Define the following terms model task, deliverabletes, e eses, we life cycles Describe www life cycle models Waterfall model model incremental model, prototyping spinal model Simply explain the advantages and disadvantages of each model 4. Defined by Techopedia, a chat room is a designated virtual channel where were communicate with each other through the Internet, traditionally in plain text only. With the rapid developments in Web technology, transmission of images and emotions in a chat room is much more efficient and transparent than before. Various versions of online chat room, such as online chatting, instant 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 join a conversation, allowing for privacy among the users. Following the software proces activities (1) define the stor online chat room in two activities 4. Define the following terme model, tank, deliverable, actor, we canes etware life cycles. Describe sowwe life cycle modele waterfall modet. V model incremental modei, protypinsspiral model Simply explain disadvantages 4. 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 chatting, instant 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. 4. Define the following terms: model, task, deliverable, actors, use cases, software life cycles. 5. Describe software life cycle models: waterfall model. V model incremental model, prototyping, spiral model. Simply explain the advantages and disadvantages of each model