Answer the following questions about Patterson and Hennessy, Chapter 4. You only need to turn in those that have a point count assigned.

1. (1 point) How do modern processors deal with exceptions/interrupts?
2. (1 point) What does a multiplexer do?
3. What kind of signals are involved in a register bank or memory read port?
4. (1 point) What kind of signals are involved in a register bank or memory write port?
5. (1 point) What are the activities involved in executing a add instruction? Where are the ALU source operands coming from?
6. What are the activities involved in executing a lw instruction? Where are the ALU source operands coming from?
7. What are the activities involved in executing an addi instruction? Where are the ALU source operands coming from?
8. (1 point) What are the activities involved in executing an beq instruction? Where are the ALU source operands coming from?