Which of the following is not an assignment operator in programming?

Which of the following is the only predefined physical literal in VHDL?

After compiling VHDL code with any EDA (Electronic Design Automation) tool, we get:

Which of the following sequential statements can be considered equivalent to the given concurrent assignment?

Which logic circuit is described in the following VHDL code?

Which part of a block defines the interface to the block?

Which of the following is an incorrect declaration for a new data type?

What is the full form of VHDL?

The structural code for a 4-bit adder is given below.

COMPONENT adder IS
GENERIC (n : INTEGER := 3);
PORT(input : IN BIT_VECTOR(n DOWNTO 0);
output : OUT BIT_VECTOR(n DOWNTO 0));
END COMPONENT;

If the user wants to convert this to an 8-bit adder, which variable should be changed?