20.3.2. Flexibility and Speed

Try these first

1. 1.

   What are hardwired control units known for?

   Hint

   Think about the speed of execution versus the ability to change.

2. 2.

   Define a micro-programmed control unit.

   Hint

   Focus on the adaptability aspect of control units.

3. 3.

   What type of control unit is known to be faster but inflexible?

   • Hardwired Control Unit
   • Micro-Programmed Control Unit
   • Neither

   Hint

   Consider the trade-off of speed vs. flexibility.

4. 4.

   True or False: Micro-programmed control units can be easily modified.

   • True
   • False

   Hint

   Think about the concept of programming.

5. 5.

   Design a micro-programmed control unit for a simple computer that can perform addition, subtraction, and multiplication operations. Consider how you would layout the micro-program memory.

   Hint

   Think about how each operation can be coded into simple control signals.

6. 6.

   Analyze the advantages and disadvantages of a micro-programmed control unit vs. a hardwired control unit in the context of a rapidly changing technology environment.

   Hint

   Consider trends in technology demanding adaptability.