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Which method uses reduced number of partial products?
  • a)
    baugh-wooley algorithm
  • b)
    wallace trees
  • c)
    dadda multipliers
  • d)
    modified booth encoding
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which method uses reduced number of partial products?a)baugh-wooley al...
Multiplication in multipliers is done by obtaining partial products and then summing it up. Modified booth encoding reduces the number of partial products that must be summed.
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Which method uses reduced number of partial products?a)baugh-wooley al...
Understanding Modified Booth Encoding
Modified Booth Encoding is a sophisticated method used primarily in digital circuits for multiplication. It significantly reduces the number of partial products, making it efficient for hardware implementation. Here’s a detailed breakdown:
Key Features of Modified Booth Encoding:
  • Reduction of Partial Products: Unlike traditional multiplication methods that generate a full set of partial products, Modified Booth Encoding reduces the number of products by encoding the multiplier. This is achieved by examining pairs of bits, which allows for more efficient multiplication.
  • Booth's Algorithm: The method is an enhancement of the original Booth's algorithm. It groups bits and evaluates them in pairs, enabling the multiplication process to handle both positive and negative numbers more effectively.
  • Handling Signed Numbers: One of the significant advantages is its ability to manage signed numbers seamlessly. This is particularly beneficial in applications where both positive and negative values are involved.
  • Efficiency in Hardware: The reduction in the number of partial products translates to fewer logic gates and less complexity in hardware design, making it ideal for integrated circuits.

Comparison with Other Methods:
  • Baugh-Wooley Algorithm: While this method is efficient, it does not reduce the number of partial products to the same extent as Modified Booth.
  • Wallace Trees: Wallace tree multipliers also aim to reduce delay but can generate a larger number of partial products initially.
  • Dadda Multipliers: Similar to Wallace trees, Dadda multipliers optimize the reduction process but do not focus explicitly on minimizing the initial count of partial products.

In conclusion, Modified Booth Encoding stands out for its capability to significantly reduce the number of partial products, enhancing efficiency in both computation and hardware implementation.
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Which method uses reduced number of partial products?a)baugh-wooley algorithmb)wallace treesc)dadda multipliersd)modified booth encodingCorrect answer is option 'D'. Can you explain this answer?
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