ALU circuits cannot be cascaded to perform functions on more than four bits.

More Questions from Digital Arithmetic Operations and Circuits

• Constants must be included in a package.
• The carry-out of a binary adder is identified using the summation symbol, sigma.
• If [A] = 10 and [B] = 01, then [A] + [B] = [ ].
• Digital computers use an easier method to subtract binary numbers, called one's complement.
• A 74HC283 can be used to implement a 4-bit full adder.
• The solution to the binary problem 0101 + 1111 is 10100.
• The solution to the BCD problem 0101 + 0100 is 00001001BCD.
• The solution to the binary problem 1011 × 0110 is 01100110.
• A sign bit of "1" in the difference of a 2's-complement subtraction problem indicates the magnitude is negative and in true binary form.
• Hexadecimal is a base 4 numbering system.

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