In week one everything the class covered was obviously pretty basic with netiquette, information search, and copyright. In week two things were equally as basic in the chapter one readings and in the timeline readings. Chapter one basically covered general information that any regular computer user would know. When I got to the appendix readings for the week things started moving away from the general computer education category. I know that I’ve heard about coding schemes before, but I can’t explain what they do or where they came from. In listening to the lecture and reading the appendix on coding schemes I’m still not sure where these schemes are even written.
Even though I’m still muddy on this topic here is my understanding of coding schemes. Coding schemes are binary number systems that represent symbols such as letters, numbers, and punctuation. The most widely used coding scheme is the American Standard Code for Information Interchange (ASCII). In the ASCII coding scheme every symbol has a unique binary number scheme. For example, in the ASCII scheme “A” is represented by 01000001. Seven of the eight numbers in this binary format of “A” are bits to define “A,” and the extra bit is a parity bit. A parity bit is used for detecting errors in the information being transmitted.
The amount of characters that are represented by the ASCII coding scheme is sufficient for the English language, but is insufficient for many other languages. The solution to this problem was the Unicode. Unlike ASCII which uses an eight bit system, the Unicode uses a sixteen bit system. This increase in the usage of bits made it possible to encode the proper amount of characters and symbols for any language.
Even though I’m still muddy on this topic here is my understanding of coding schemes. Coding schemes are binary number systems that represent symbols such as letters, numbers, and punctuation. The most widely used coding scheme is the American Standard Code for Information Interchange (ASCII). In the ASCII coding scheme every symbol has a unique binary number scheme. For example, in the ASCII scheme “A” is represented by 01000001. Seven of the eight numbers in this binary format of “A” are bits to define “A,” and the extra bit is a parity bit. A parity bit is used for detecting errors in the information being transmitted.
The amount of characters that are represented by the ASCII coding scheme is sufficient for the English language, but is insufficient for many other languages. The solution to this problem was the Unicode. Unlike ASCII which uses an eight bit system, the Unicode uses a sixteen bit system. This increase in the usage of bits made it possible to encode the proper amount of characters and symbols for any language.
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