555555555520. A full adder adds ____. (a) two 2-bit binary numbers (b) two 4-bit binary numbers (c) two single bits and one carry bit (d) two 2-bit numbers and one carry bit
555555555542. Two 4-bit binary numbers (1011 and 1111) are applied to a 4-bit parallel adder. The carry input is 1. What are the values for the sum and carry output? (a) 4321 = 0111, Cout = 0 (b) 4321 = 1111, Cout = 1 (c) 4321 = 1011, Cout = 1 (d) 4321 = 1100, Cout = 1
555555555545. How many 4-bit parallel adders would be required to add two binary numbers each representing decimal numbers up through 30010? (a) 1 (b) 2 (c) 3 (d) 4