Answer the following questions.
Question 1) Draw a D flip-flop using GAURDED BLOCK in VHDL.
Question 2) Write a detailed note on Wait statements with the help of suitable examples.
Question 3) Draw a 4-bit adder/subtractor in VHDL.
Question 4) What do you by operator overloading? Give suitable example.
Question 5) Draw a Finite State Machine that takes input a serial bit stream and outputs a ‘1’ when the sequence “11011” occurs. The overlaps should also be considered.
Question 6)(a) What are different delay models used in VHDL? Explain with suitable examples.
(b) Write down the difference between variable and signal.
Question 7) Write brief notes on the following:
(a) FPGA.
(b) Design of ALU in VHDL.