String “ISO-8859-1 coding” to UTF 16

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To convert the string “ISO-8859-1 coding” from ISO-8859-1 encoding to UTF-16 encoding, we first need to understand the character encoding of each character in ISO-8859-1 and then convert it to its UTF-16 representation.

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ISO-8859-1 is a single-byte encoding scheme that represents each character in 8 bits, covering most Western European languages.

Here’s the conversion:

  1. Character Mapping:
  • “ISO-8859-1 coding” is:
    • “I”, “S”, “O”, “-“, “8”, “8”, “5”, “9”, “-“, “1”, ” “, “c”, “o”, “d”, “i”, “n”, “g”
  • These characters correspond to their respective Unicode code points.
  1. Conversion to UTF-16:
  • UTF-16 represents characters using 16 bits.
  • Most characters from ISO-8859-1 will have the same representation in UTF-16, as they fit within the basic multilingual plane (BMP).
  • For each character, we represent it in UTF-16 by using either one or two 16-bit units (code units).

Let’s convert each character to its UTF-16 representation:

  • “I”: U+0049
  • “S”: U+0053
  • “O”: U+004F
  • “-“: U+002D
  • “8”: U+0038
  • “5”: U+0035
  • “9”: U+0039
  • “1”: U+0031
  • ” “: U+0020
  • “c”: U+0063
  • “o”: U+006F
  • “d”: U+0064
  • “i”: U+0069
  • “n”: U+006E
  • “g”: U+0067

Since each of these characters can be represented within the BMP, their UTF-16 representation will consist of a single 16-bit unit.

UTF-16 Representation:

  • “I” (U+0049) → 0049
  • “S” (U+0053) → 0053
  • “O” (U+004F) → 004F
  • “-” (U+002D) → 002D
  • “8” (U+0038) → 0038
  • “5” (U+0035) → 0035
  • “9” (U+0039) → 0039
  • “1” (U+0031) → 0031
  • ” ” (U+0020) → 0020
  • “c” (U+0063) → 0063
  • “o” (U+006F) → 006F
  • “d” (U+0064) → 0064
  • “i” (U+0069) → 0069
  • “n” (U+006E) → 006E
  • “g” (U+0067) → 0067

Concatenating these UTF-16 representations, we get:

[ \text{UTF-16:} \quad 0049 \, 0053 \, 004F \, 002D \, 0038 \, 0035 \, 0039 \, 0031 \, 0020 \, 0063 \, 006F \, 0064 \, 0069 \, 006E \, 0067 ]

So, the UTF-16 representation of the string “ISO-8859-1 coding” is ( \text{0049} \, \text{0053} \, \text{004F} \, \text{002D} \, \text{0038} \, \text{0035} \, \text{0039} \, \text{0031} \, \text{0020} \, \text{0063} \, \text{006F} \, \text{0064} \, \text{0069} \, \text{006E} \, \text{0067} ).

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