3.3 Collaborative functions for teacher and student
3.3.1 Login function
When student or teacher wants to enter in the classroom, they must login with correct
username and password. In the classroom, they are allowed to use shared objects or
resources.
3.3.2 Whiteboard function
The purpose of using this function is to provide a collaborative environment for students
and teachers. They can write message in text format and draw line on shared whiteboard
environment in real time. When they want a message or line, they must select tools by
dragging and dropping them on the whiteboard. They can also delete objects by pressing
delete key on the keyboard. Students can write or erase any items at any time they want.
They are equally authorized in this classroom.
3.3.3 Presentation function
This function allows creating a presentation in SWF format. This function contains two
modes. The first mode is teacher mode. Teacher can fully control the presentation. Students
can see the same frame simultaneously. The second mode is student mode. Student can
navigate the presentation by using next and back buttons in order to view the presentation.
They are not allowed controlling the presentation that the teacher has corresponded. The
presentation function requires SWF presentation file.
3.3.4 Chat function
This function supports teacher and students for chatting in regular text format. They can
send message to other people in the same classroom. Text can be selected in different styles.
3.3.5 List of students
This function displays teacher and students name that login the classroom. All usernames
appear on the list in the classroom that is used to identify who they are.
3.3.6 Audio/Video presentation function
This is very important function for face to face communication. VDO camera and
microphone are essentially needed for this function. Teacher and his/her students can send
and receive audio and video within the same classroom. If someone is sending audio or
video or both, the other people can see and hear as well.
4. Supporting technology
4.1 Flash Media Server architecture overview
The Macromedia Flash Media Server (FMS) platform consists of two parts: the server,
which provides the means of communication, and Macromedia Flash Player. Applications
consist of a client Macromedia Flash Movie (SWF file) that is run by Flash Player. Server
components are share with all clients. The server component consists, minimally, of an
application folder that we have created on the server side running Flash Media Server. This
folder can optionally contain Server-Side Communication ActionScript (ASC) files and
other resource files used by the communication application. The server and the Flash client
application communicate over a persistent connection using Real-Time Message Protocol
(172 pages)
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