, (25Marks) MCQ (chose the correct answer) Answer any 10 1. What is the difference between OUT and BUFFER mode? (a) BUFFER can't be used inside the entity for reading the value and OUT can be. (b) BUFFER can only be read whereas OUT can only be assigned a value. (c) BUFFER can be read as well as assigned a value but OUT can only be assigned. (d) Both are saime. 2. Which of the following is the default mode for a port variable? (a) IN (b) OUT (c) INOUT (d) BUFFER 3. What does the architecture of an entity define? (a) Extemal interface (b) Internal functionality (c) Ports of the entity (d) Specifications 4. The statements in between the keyword BEGIN and END are called a) Concurrent statements b) Sequential statements c) Declaration statement d) Entity function 5. Which of the following statements execute faster? a) Sequential statements b) Concurrent statements c) Declaration statements d) Loop statements 6. What is the decimal equivalent of x in the following code? SIGNAL X : OUT SIGNED 13 DOWNTO O ); x