Arithmetic Operations and Circuits Questions and Answers

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The Arithmetic Operations and Circuits questions with answers topic focuses on digital electronics and number system-based problem-solving. These concepts often appear in GATE, ISRO, and DRDO exams, testing both analytical and circuit reasoning abilities. The topic connects mathematical logic with circuit design, closely related to logical reasoning questions and answers. By practicing such problems, students improve their analytical accuracy and gain confidence in handling reasoning questions for competitive exams involving arithmetic logic units and combinational circuits.

Combines numerical problem-solving with circuit concepts. Related study areas include basic op-amp circuits and digital arithmetic operations

Arithmetic Operations and Circuits

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11. When multiplying in binary the decimal values 13 × 11, what is the third partial product?

  • 100000
  • 100001
  • 0000
  • 1011
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12. Signed binary numbers have one bit that represents the sign, with the remaining bits representing the magnitude.

  • TRUE
  • FALSE
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13. The operands in a subtraction operation are the subend and the minuend.

  • TRUE
  • FALSE
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14. A technique to speed parallel addition by eliminating the delay caused by the carry bit propagation is called fast carry, or look-ahead carry.

  • TRUE
  • FALSE
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15. End around carry is an operation in 1's complement subtraction where a 1 is added to the sum of the 1's complement of both numbers.

  • TRUE
  • FALSE
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16. The operands in an addition operation consist of the augend and the addend.

  • TRUE
  • FALSE
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17. A full adder adds three bits, a half adder adds 1-1/2 bits.

  • TRUE
  • FALSE
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18. Using the two's complement number system we can add numbers with like signs and obtain the correct result.

  • TRUE
  • FALSE
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19. Two half adders can be combined to form a full adder with no additional gates.

  • TRUE
  • FALSE
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20. If you borrow from a position that contains a 0, you must borrow from the more significant bit that contains a 1. All 0s up to that point become 1s, and the digit last borrowed from becomes a 0.

  • TRUE
  • FALSE
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