Aspire Faculty ID #12050 · Topic: NIMCET 2025 · Just now
NIMCET 2025

Which of the following statements about ASCII and Unicode is correct?

Solution

Solution:

  • Option (1) – True: Unicode was designed to be backward compatible with ASCII. The first 128 Unicode characters (U+0000 to U+007F) are identical to ASCII, ensuring compatibility.
  • Option (2) – False: ASCII uses 7 bits per character, while Unicode uses up to 16 bits or more (e.g., UTF-16, UTF-32 encodings).
  • Option (3) – False: Unicode and ASCII share the same first 128 characters; they are not completely different.
  • Option (4) – False: Unicode can represent far more characters than ASCII, not fewer.

✅ Correct Answer: (1) Unicode is backward compatible with ASCII and includes all ASCII characters in its encoding.

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