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Two's complement: Quiz

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Question 1: A two's-complement system or two's-complement arithmetic is a system in which negative numbers are represented by the two's complement of the absolute value;[1] this system is the most common method of representing signed integers on ________.
Central processing unitComputerLinuxPersonal computer

Question 2:
When was the Two's complement?
February 1998
February 2007 - January 2008
February 2010
February 1981

Question 3: Also, zero has only a single representation, obviating the subtleties associated with ________, which exists in ones'-complement systems.
Division by zeroSigned zeroNaN0 (number)

Question 4: The two's complement of a ________ is defined as the value obtained by subtracting the number from a large power of two (specifically, from 2N for an N-bit two's complement).
DuodecimalBinary numeral systemHexadecimalDecimal

Question 5: The ________ can also be applied in base-10 arithmetic, using ten's complements by analogy with two's complements.
Signed number representationsHistory of computing hardwareMethod of complementsBinary numeral system

Question 6: The left-most bit, also called the MSB, or most-significant bit, determines the sign of the number, but, unlike the ________ representation, also has a weight, −2m-1, as shown in the formula above.
Computer numbering formatsFloating pointSigned number representationsBinary-coded decimal

Question 7: The method of complementing and adding one can be sped up by a standard ________ circuit; the alternative method can be sped up by a similar logic transformation.
Lookahead Carry UnitCarry look-ahead adderAdder (electronics)Digital electronics







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