Task 1 - Design the DATEX operator's user interfaces for:
1. Preparing messages.
2. Sending messages.
3. Viewing received messages.
4. Optionally view the details of the coding and decoding as it takes place.

Include any data validation algorithms that are required.

Task 2 - Design the lookup tables required for:
1. Coding a message.
2. Determining the destination.
3. Decoding a received message.

Include any data validation algorithms that are required.

Task 3 - Design the software required to
1. Code a message.
2. Send a message.
3. Detect a received message.
4. Decode a received message.
5. Display a decoded message.
6. Maintain the destinations file.
7. Optionally view the details of the coding and decoding as it takes place.

Task 4 - Based on the designs in Tasks 1, 2 and 3 implement and test the prototype of the DATEX system. Embed comprehensive error checking routines. Visual Basic June 2012 NCC Education 2012

Task 5 - Produce evidence of system testing of the completed system. This evidence must contain relevant screen shots.

Task 6 - Produce a user guide. This guide should contain suitable screen shots.

Task 7 - Produce a publishable working copy of the completed assignment together with some installation notes. The installation notes should include the system requirements.