Learning by Doing: CISCO Certified Network ... - SCN Research

42 - 32 = 10. Since it is a positive number flip the card and move on to the next
one.
1 1 1 0 0 0 0 0
128 64 32 16 8 4 2 1
10 - 16 = -6. Since it is a negative number leave the card on zero and move on to
the next one.
1 1 1 0 0 0 0 0
128 64 32 16 8 4 2 1
10 – 8 = 2. Since it is a positive number flip the card and move on to the next
one.
1 1 1 0 1 0 0 0
128 64 32 16 8 4 2 1
2 – 4 = -2. Since it is a negative number leave the card on zero and move on to
the next one.
1 1 1 0 1 0 0 0
128 64 32 16 8 4 2 1
2 – 2 = 0. Since it is a positive number flip the card and move on to the next one.
Since our remainder is zero then all other numbers to the right are also zero (only
one card in this case).
1 1 1 0 1 0 1 0
128 64 32 16 8 4 2 1
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