22.3. Condition Codes and Multiplexer Usage

Try these first

1. 1.

   What are control signals?

   Hint

   Think about what governs how components operate.

2. 2.

   Define condition codes.

   Hint

   Consider how programming decisions might depend on system states.

3. 3.

   What is the primary function of condition codes in a microprogram?

   • To store data
   • To dictate program flow
   • To execute operations

   Hint

   Think about their role in conditional statements.

4. 4.

   True or False: Multiplexers can only handle binary inputs.

   • True
   • False

   Hint

   Consider how many conditions a multiplexer can manage.

5. 5.

   Design a multiplexer that would allow for 8 input conditions using two selection lines. Describe how this can be implemented.

   Hint

   Try using a binary counting approach to determine how many lines are needed.

6. 6.

   You are given a scenario where multiple condition codes influence the execution of a program. How would you prioritize the conditions?

   Hint

   Consider the context in which the program operates—what conditions are more critical?