Explore topic-wise MCQs in Vhdl.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Vhdl knowledge and support exam preparation. Choose a topic below to get started.

1.

Identify the value of variable x from the lines given below.

A. ns
B. time
C. 10 ns
D. 50 nsView Answer
Answer» C. 10 ns
Discussion
2.

What would be the value of x and y?

A. red, green
B. green, red
C. red, 2
D. 2, redView Answer
Answer» E.
Discussion
3.

What would be the value of x and y in the example given below?

A. blue, green
B. blue, blue
C. 4, blue
D. blue, 4View Answer
Answer» C. 4, blue
Discussion
4.

Which of the following is similar to ‘PRED(value) attribute?

A. ‘LEFTOF(value)
B. ‘RIGHTOF(value)
C. ‘RIGHT(value)
D. ‘LEFT(valu
E. attribute?a) ‘LEFTOF(value)b) ‘RIGHTOF(value)c) ‘RIGHT(value)d) ‘LEFT(value)
Answer» B. ‘RIGHTOF(value)
Discussion
5.

Which of the following is equivalent to the ‘SUCC(value) attribute?

A. ‘PRED(value)
B. ‘LEFTOF(value)
C. ‘RIGHTOF(value)
D. ‘LEFT(valu
E. attribute?a) ‘PRED(value)b) ‘LEFTOF(value)c) ‘RIGHTOF(value)d) ‘LEFT(value)
Answer» D. ‘LEFT(valu
Discussion
6.

Which of the following describes the function of ‘PRED(value)?

A. To return the position of value next to the value passed in argument
B. To return the value next to the value passed in argument of the attribute
C. To return the value previous to the value passed in the argument
D. To return the position of value next to the value passed in argument
E. ?a) To return the position of value next to the value passed in argumentb) To return the value next to the value passed in argument of the attributec) To return the value previous to the value passed in the argumentd) To return the position of value next to the value passed in argument
Answer» D. To return the position of value next to the value passed in argument
Discussion
7.

What is the function of ‘SUCC(value) attribute?

A. To return the value next to the value passed in argument of the attribute
B. To return the value previous to the value passed in argument of the attribute
C. To return the position of value next to the value passed in argument
D. To return the position of value next to the value passed in argument
E. attribute?a) To return the value next to the value passed in argument of the attributeb) To return the value previous to the value passed in argument of the attributec) To return the position of value next to the value passed in argumentd) To return the position of value next to the value passed in argument
Answer» B. To return the value previous to the value passed in argument of the attribute
Discussion
8.

Which of the following is similar to ‘PRED(value) attribute?#

A. ‘LEFTOF(value)
B. ‘RIGHTOF(value)
C. ‘RIGHT(value)
D. ‘LEFT(value)
Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö‚â§RIGHTOF(value)
Discussion
9.

Which of the following is equivalent to the ‘SUCC(value) attribute?$

A. ‘PRED(value)
B. ‘LEFTOF(value)
C. ‘RIGHTOF(value)
D. ‘LEFT(value)
Answer» D. ‚Äö√Ñ√∂‚àö√ë‚àö‚â§LEFT(value)
Discussion
10.

Which of the following describes the function of ‘PRED(value)?$

A. To return the position of value next to the value passed in argument
B. To return the value next to the value passed in argument of the attribute
C. To return the value previous to the value passed in the argument
D. To return the position of value next to the value passed in argument
Answer» D. To return the position of value next to the value passed in argument
Discussion
11.

What is the function of ‘SUCC(value) attribute?$

A. To return the value next to the value passed in argument of the attribute
B. To return the value previous to the value passed in argument of the attribute
C. To return the position of value next to the value passed in argument
D. To return the position of value next to the value passed in argument
Answer» B. To return the value previous to the value passed in argument of the attribute
Discussion
12.

A value from a type is passed as an argument to the attribute to find its position number. Which attribute it should be?

A. ‘SUCC(value)
B. ‘PRED(value)
C. ‘VAL(value)
D. ‘POS(value)
Answer» E.
Discussion
13.

You are given with the position number of a value within a type, which attribute will you use to find its value?

A. ‘POS(value)
B. ‘VAL(value)
C. ‘POSITION(value)
D. ‘VALUE(value)
Answer» C. ‚Äö√Ñ√∂‚àö√ë‚àö‚â§POSITION(value)
Discussion
14.

Which of the following is returned by the function kind attributes?

A. Value
B. Function
C. Signal
D. Array
Answer» B. Function
Discussion