7. In the proof of the claim that for any n-bit messages, any resulting code C with parity bits satisfying properties (0) and (1) will have minimum distance 3, we use 3 cases: A(z, y) = 1,2 and 3. Select all that are true: a. We don't need the case of A(x, y) = 0 because the code has minimum distance 3. b. We don't need the case of A(z, y) = 0 because we assumed I# y. c. We don't need the case of A(r, y) = 0 because it is taken care of by the other cases. d. We don't need the case of A(r, y) = 0 because the claim doesn't need to be proven for that case. e. We don't need the case of A(r, y) = 4 because the code has minimum distance 3. f. We don't need the case of A(r, y) = 4 because we assumed I# y. g. We don't need the case of A(r, y) = 4 because it is taken care of by the other cases. %3D h. We don't need the case of A(z, y) = 4 because the claim doesn't need to be proven for that

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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7. In the proof of the claim that for any n-bit messages, any resulting code C with parity bits
satisfying properties (0) and (1) will have minimum distance 3, we use 3 cases: A(r, y) = 1,2 and
3. Select all that are true:
a. We don't need the case of A(r, y) = 0 because the code has minimum distance 3.
b. We don't need the case of A(r, y) = 0 because we assumed r # y.
c. We don't need the case of A(r, y) = 0 because it is taken care of by the other cases.
d. We don't need the case of A(r, y) = 0 because the claim doesn't need to be proven for that
case.
e. We don't need the case of A(r, y) = 4 because the code has minimum distance 3.
f. We don't need the case of A(r, y) = 4 because we assumed a # y.
g. We don't need the case of A(r, y) = 4 because it is taken care of by the other cases.
h. We don't need the case of A(r, y) = 4 because the claim doesn't need to be proven for that
case.
Transcribed Image Text:7. In the proof of the claim that for any n-bit messages, any resulting code C with parity bits satisfying properties (0) and (1) will have minimum distance 3, we use 3 cases: A(r, y) = 1,2 and 3. Select all that are true: a. We don't need the case of A(r, y) = 0 because the code has minimum distance 3. b. We don't need the case of A(r, y) = 0 because we assumed r # y. c. We don't need the case of A(r, y) = 0 because it is taken care of by the other cases. d. We don't need the case of A(r, y) = 0 because the claim doesn't need to be proven for that case. e. We don't need the case of A(r, y) = 4 because the code has minimum distance 3. f. We don't need the case of A(r, y) = 4 because we assumed a # y. g. We don't need the case of A(r, y) = 4 because it is taken care of by the other cases. h. We don't need the case of A(r, y) = 4 because the claim doesn't need to be proven for that case.
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