Error Control

By Anonymous -


We started off this period with a group activity. we got into groups and started off by laying down parity cards in a grid of 8x8. Parity card is a card that one side is black and the other is white. we know that a computer uses ones and zeros, so the black side of the card represents the zeros and the white represents the ones.We then had to make sure that each line and each column had the cards flipped the right way. To make sure that the cards were flipped the right way we had to make sure that there is an even amount of black cards. So if the was three cards that were black we had to flip a white so there was an even amount of black. We then went onto out computer and played a games like the one that we played in our group. We had a grid of 8x8 again and again had to make sure that there was an even amount of black like below.


Once we finished that you could click flip a bit and it would flip a card and you had to find the error. In conclusion decomposition basically means that you would go line by line to find the error instead of going all around to find the error.

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