Homework 3

Due: Practice problems for Quiz #4

Turnin: Nothing. These are practice for Quiz #4. Solutions to all problems are attached.

1. — For the following pair of 16-bit numbers, determine the “super” propagate and generate bits and the value of C1, C2, C3, and C4. See slides 38 to 45 for an example. Use c0 = 0.

a: 1001 0111 1000 1011two

b: 1111 0010 0101 0111two

Assume the bits are numbered 15 to 0 from left to right.

2. — Same as the previous problem. This time, use c0 = 1.

a: 0111 0101 0000 1101two

b: 1100 0111 0011 0101two

3. — Same as the previous problem. This time, use c0 = 1.

a: 0101 0101 0000 1100two

b: 1101 1111 1111 0001two

4. — turnin this one: Same as the previous problem. This time, use c0 = 0.

a: 1110 0101 1010 0100two

b: 0001 1011 0000 1111two