3.2.2. Hardware Description

Try these first

1. 1.

   What does HDL stand for?

   Hint

   Think about the acronym itself.

2. 2.

   Which language is known for more concise code, VHDL or Verilog?

   Hint

   Consider the syntax used in each.

3. 3.

   What is VHDL?

   • A programming language
   • A hardware description language
   • An operating system

   Hint

   Remember its applications in digital design.

4. 4.

   Is hardware description important for FPGA design?

   • True
   • False

   Hint

   Think about the design flow.

5. 5.

   Design a 4-bit binary subtraction circuit using VHDL. Outline the entity and behavior description.

   Hint

   Consider how binary subtraction works and what carry switches to borrow.

6. 6.

   Write a Verilog module for a 2-to-1 multiplexer and explain its operation.

   Hint

   Double-check how multiplexer control lines work in terms of Boolean logic!