Question

In which of the following numeric systems can you have two versions of zero? You may select more than one answer, but note that each incorrect answer will result and get full value. (Your final score for the question can never be less than ) a partial reduction in your score for the question - so you can't just select every answer Select one or more: a. Excess-M b. Signed magnitude C. Two's complement d. One's complement

Answer 1

Excess-M: - The code for zero is 100..00 in Excess-2^(M-1)

Signed Magnitude: - Two different zeroes are created (+0 is 000..00 and -0 is 100..00)

One's complement: - Two different zeroes are created (+0 is 000..00 and -0 is 111..11?)

Two's complement: - Zero is represented ONLY by 00...00 (the only code which does this).

Which of the lonowing momenc systems call you You may select more than one answer, but note that each incorrect answer will result in a partial reduction in your score for the question - so you can't just select every answer and get full value. (Your final score for the question can never be less than 0) Select one or more a. Excess-M b. Signed magnitude c. Two's complement d. One's complement Assuming a signed magnitude representation, and 8 bit registers, which of the following operations would produce an overflow? You may select more than one answer. You may select more than one answer, but note that each incorrect answer will result in a partial reduction in your score for the question - so you can't just select every answer and get full value. (Your final score for the question can never be less than 0) Select one or more: a 01101111 11101011 b. 88018801 1011eeee C. 1e111011 + 01101101 d. None of the calculations produces an overflow e 180eille 0111110e

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