CSCE 110 Lecture Notes - Lecture 4: Parity Bit, Error Detection And Correction

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O(cid:374)e of the ea(cid:396)liest (cid:271)i(cid:374)a(cid:396)(cid:455) (cid:272)odes is due to f(cid:396)a(cid:374)(cid:272)is ba(cid:272)o(cid:374). Muskets, (cid:863: f(cid:396)o(cid:373) v. as(cid:272)hoff, (cid:862)the ea(cid:396)l(cid:455) histo(cid:396)(cid:455) of (cid:271)i(cid:374)a(cid:396)(cid:455) (cid:272)odes,(cid:863) ieee co(cid:373)(cid:373). Mag. , (cid:448)ol. (cid:1006)(cid:1005), issue (cid:1005), (cid:1005)(cid:1013)(cid:1012)(cid:1007): the t(cid:449)o books of f(cid:396)a(cid:374)(cid:272)is ba(cid:272)o(cid:374): https://a(cid:396)(cid:272)hi(cid:448)e. o(cid:396)g/st(cid:396)ea(cid:373)/t(cid:449)o(cid:271)ooksoff(cid:396)a(cid:374) ci00baco#page/280/mode/2up. How to encode text: ascii, unicode: a cii: (cid:1011)- (or 8-) bit encoding of each letter, number, or symbol. Can use the 8th bit for parity error detection. Odd (even) parity = set parity bit so that there are an odd (even) number of ones: u(cid:374)i(cid:272)ode: i(cid:374)(cid:272)(cid:396)easi(cid:374)gl(cid:455) popula(cid:396) (cid:1005)(cid:1010)-bit encoding.

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