IEEE-754 Format Characteristics Quiz
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Questions and Answers

What is the total length, in bits, of the quad-precision format in IEEE-754 standards?

  • 128
  • 64
  • 44
  • 80 (correct)
  • In IEEE-754r standard, what is one of the key enhancements mentioned?

  • Decreasing the precision of single-precision format
  • Adding a 16-bit format
  • Introducing a 128-bit format (correct)
  • Removing the quad-precision format
  • How many decimal digits of precision are provided by the double-extended format in IEEE-754 standards?

  • 19 (correct)
  • 6
  • 15
  • 9
  • What is the biased exponent for the floating-point number derived from (23)10 in single-precision IEEE format?

    <p>10000011</p> Signup and view all the answers

    Which bit is always implied but not included in the normalized mantissa according to the text?

    <p>'1'</p> Signup and view all the answers

    What is one of the motivations behind the ongoing revision of the IEEE-754 standard mentioned in the text?

    <p>Extending the standard where necessary</p> Signup and view all the answers

    What is the IEEE-854 standard primarily known for?

    <p>Providing guidelines for implementing floating point in any radix value</p> Signup and view all the answers

    Which floating-point formats are specified in the IEEE-854 standard?

    <p>Single, single-extended, double, and double-extended precision formats</p> Signup and view all the answers

    In the IEEE-754 single-precision format, what is indicated by a '0' bit in a specific position?

    <p>Positive sign of the mantissa</p> Signup and view all the answers

    What is the biased exponent for the floating-point number 11000000 00101001 01100 in IEEE-754 double-precision format?

    <p>10000000</p> Signup and view all the answers

    Which standard introduced quad-precision floating-point formats?

    <p>IEEE-768</p> Signup and view all the answers

    What is a key feature of the IEEE-754r standard?

    <p>Focus on decimal floating-point representation</p> Signup and view all the answers

    What is the main reason for the extension of the standard to include decimal floating-point representation?

    <p>Binary floating-point cannot represent decimal fractions exactly.</p> Signup and view all the answers

    Which of the following is a characteristic of the new 128-bit 'quad-precision' format described in the text?

    <p>It is an addition to existing binary formats.</p> Signup and view all the answers

    What do the three new decimal formats introduced in the text match in terms of lengths?

    <p>They match the lengths of binary formats.</p> Signup and view all the answers

    In order to achieve maximum range and precision in decimal floating-point representation, what does the text suggest merging?

    <p>Part of the exponent and part of the mantissa into a combination field.</p> Signup and view all the answers

    What was the main objective of the IEEE-854 standard mentioned in the text?

    <p>To establish a standard without radix and word length dependencies.</p> Signup and view all the answers

    Why was it necessary to revise and rewrite many definitions during the revision process mentioned in the text?

    <p>For clarification and consistency.</p> Signup and view all the answers

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