Homework P&H Ch. 3
Answer the following questions about Patterson and Hennessy, Chapter 3.
You only need to turn in those that have a point count assigned.

(1 point)
How does 2's complement addition differ from binary addition?

(1 point)
How do you determine if a 2's complement addition resulted in an
overflow?

(1 point)
What is the logic formula for the C_{3} output of a 4 bit
carry lookahead unit in terms of its inputs?

What is the logic formula for the P output of a 4 bit carry lookahead
unit in terms of its inputs?

(1 point)
Draw a diagram of a 1bit ALU that can do add, bitwise AND, and
bitwise OR operations.
You can ignore carries.

(1 point)
How do you modify it to do subtract operations?

What is the basic idea for multiplying integers?

(1 point)
What is the basic idea for dividing integers?