In this case you have to discover how the BCD weights are ordered in the following three codes. In one of them, the normal order is followed: 8 4 2 1 from left to right, the 3 switch corresponds to the most significant bit, and the 0, with the least significant bit. On the others, the weights are not ordered. For example, they are ordered in reverse: 1 2 4 8 (from left to right), or 8412.

The steps are similar as before: download one of the files coda, codb and codc available in Moodle, test with the different combinations, check what number is visualized and discover where the weights are. For example, if with one 1 from the files you can see a 3 with the combination 0101, this implies that the weights 2 and 1 are among the bits that have a 1, although for the time being you do not know where the 2 and 1 are. It is like a game.

For example, if you download codb into the ud-pld to see a 3 you have to activate 1010.

 

QUESTIONS:

(1) What file has the BCD described with their weights ordered in a normal manner 8 4 2 1? Is it the coda?

(2) How do they have the weights ordered (or unordered) the other two codes, and their corresponding files?