Explaining concurrent and sequential signal assignments

Question

Question 1) Write an example of Concurrent and Sequential Signal Assignments.

Question 2) What do you understand by package and library?

Question 3) What do you understand by generics?

Question 4) What are different hardware description languages?

Question 5) What are different capabilities of VHDL?

Question 6) How does PLA differ from ROM?

Question 7) Write the name of different Concurrent statements.

Question 8) Distinguish between decoder and demultiplexer.

Question 9) Describe some subtypes with suitable examples used in VHDL.

Question 10) What do you undertsnad by delta delay?

Question 11) Describe and Design ALU in VHDL.

Question 12) Design a D flip-flop using GUARDED BLOCK in VHDL.