3.2.1. Design Specification

Try these first

1. 1.

   What is the purpose of a design specification in digital circuit design?

   Hint

   Think about the foundation of any design process.

2. 2.

   Name one key component that should be included in a design specification.

   Hint

   Consider what the circuit is supposed to do.

3. 3.

   What does a design specification include?

   • Functionality
   • inputs
   • outputs
   • Only outputs
   • Only functionality

   Hint

   Remember the acronym FIB.

4. 4.

   True or False: Outputs are signals the circuit receives.

   • True
   • False

   Hint

   Consider the direction of signal flow.

5. 5.

   Design a specification for a 3-bit binary subtractor. Include inputs, outputs, and functionality.

   Hint

   Think about how subtraction works in binary.

6. 6.

   List three key problems that can arise from an ambiguous design specification.

   Hint

   Consider what happens when instructions are unclear.