VHDL Mock Test 7 - Sanfoundry

10%

Question 1 of 10

1. How to declare a user defined attribute?

ATTRIBUTE’ name’ return_type;

ATTRIBUTE name’ return_type;

ATTRIBUTE name : return_type;

ATTRIBUTE’ name : return_type;

Question 1 of 10

Question 2 of 10

2. What is the basic syntax to write an attribute?

Object_name’ attribute_name (parameter)

Attribute_name : Object_name (parameter)

Object_name : Attribute_name (parameter)

Attribute_name’ Object_name (parameter)

Question 2 of 10

Question 3 of 10

3. What will be the value of array16’RANGE and array16’REVERSE_RANGE, if the array16 is an object defined as below?

TYPE array16 IS ARRAY(15 DOWNTO 0) OF BIT

0 TO 15, 15 DOWNTO 0

15 DOWNTO 0, 0 TO 15

15 DOWNTO 0, 15 DOWNTO 0

0 TO 15, 0 TO 15

Question 3 of 10

Question 4 of 10

4. Attributes on enumeration types are synthesizable.

True

False

Question 4 of 10

Question 5 of 10

5. The parameter of a procedure can have any of the three modes.

True

False

Question 5 of 10

Question 6 of 10

6. Which can’t be a result of a predefined attribute?

A signal

An entity

A value

A function

Question 6 of 10

Question 7 of 10

7. A procedure can have a label in front of it.

True

False

Question 7 of 10

Question 8 of 10

8. What will be the value of a in the statements given below?

TYPE color IS (red, green, blue, yellow, brown, black);
VARIABLE a : color;
a := color’BASE’RIGHT;
…

color

green

red

black

Question 8 of 10

Question 9 of 10

9. Predefined attributes are defined as a part of _________ standard.

1162

1093

1164

1076

Question 9 of 10

Question 10 of 10

10. Which of the following attribute is not synthesizable?

‘BASE

‘REVERSE_RANGE

‘EVENT

‘RANGE

Question 10 of 10