How many inputs must a full-adder have?

More Questions from Digital Arithmetic Operations and Circuits

• The summing outputs of a half- or full-adder are designated by which Greek symbol?
• What is one disadvantage of the ripple-carry adder?
• When 1100010 is divided by 0101, what is the decimal remainder?
• It is not necessary to have the same number of bits when adding or subtracting signed binary numbers in the 2's-complement system.
• The binary subtraction 0 – 1 = is difference = 1 borrow = 0
• The look-ahead-carry adder is slower than the ripple-carry adder because it requires additional logic circuits.
• There are four possible combinations for subtracting two binary numbers.
• The 74LS382 ALU is a 24-pin arithmetic/logic unit.
• Overflow indicators in ALU circuits indicate when add or subtract operations produce results that are too large to fit into four bits.
• A binary sum is made up of only 1s and 0s.

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