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Pregunta 494

What is one advantage of using ASCII code for data communications?

  1. It includes built-in error correction features
  2. It contains fewer information bits per character than any other code
  3. It is possible to transmit both uppercase and lowercase textRespuesta correcta
  4. It uses one character as a shift code to send numeric and special characters

Explicación

With 7 bits ASCII has 128 code points, enough to assign separate codes to uppercase letters, lowercase letters, digits, punctuation and control characters. Codes such as Baudot, with only 32 combinations, must reuse codes through shift characters and provide no lowercase at all.

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Pregunta 494: What is one advantage of using ASCII code for data… · FCC Amateur Extra Class (Element 4) · Questena