Only four possible cases can occur when adding two binary bits.
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Q54: [A] represents "the contents of register A."
Q55: An overflow indicator in an ALU circuit
Q56: ALU circuits perform arithmetic and logic operations.
Q57: ALU circuits cannot be cascaded to perform
Q58: Digital computers add only two binary numbers
Q60: When adding numbers in the 2's complement
Q61: All arithmetic operations take place in the
Q62: The ALU contains at least two registers:
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Q64: The 1's- complement of 1010 is 0101.
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