Entity & Its Declaration MCQs : This section focuses on the "Entity & Its Declaration". These Multiple Choice Questions (MCQs) should be practiced to improve the Entity & Its Declaration skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
GENERICs are not declared in the entity.
The entity name ‘xyz’ and ‘XYZ’ will be treated the same.
How to control the structure and timing of the entity can be changed?
A. By using TIME variable in the entity
B. By changing the entity declaration from time to time
C. By using some special code
D. By using GENERICS
In an assignment statement, OUT signal can be used only to the ___________
A. Left of <= operator
B. Right of <= operator
C. Any side of <= operator
D. Right of := operator
Which of the following is not defined by the entity?
A. Direction of any signal
B. Names of signal
C. Different ports
D. Behavior of the signals
What is the difference between OUT and BUFFER?
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 same
Which of the following can have more than one driver?
On which side of assignment operator, we can use the IN type signal?
D. Can’t be used
Which of the following mode of the signal is bidirectional?
Which of the following can be the name of an entity?
C. Nand gate
Which of the following is the default mode for a port variable?