Explore topic-wise MCQs in Vhdl.

This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Vhdl knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is the use of IF generation?

A. To handle repeating pattern of design
B. To handle exceptional cases of design
C. To design full adder circuit
D. To connect input instances with output
Answer» C. To design full adder circuit
2.

What is the use of FOR generation?

A. For describing the exceptional signals
B. For describing the repeating structures
C. For describing half adder circuit
D. For any exceptional cases of structure
Answer» C. For describing half adder circuit
3.

What will be the values of out1 and out2?

A. out1 = 0 and out2 = 0
B. out1 = 0 and out2 = 1
C. out1 = 1 and out2 = 0
D. out1 = 1 and out2 = 1View Answer
Answer» D. out1 = 1 and out2 = 1View Answer
4.

Which of the following statement is used to describe regular structures?

A. BLOCK
B. GENERATE
C. USE
D. GUARDED BLOCK
Answer» C. USE
5.

Which of the following is true about guarded blocks?

A. Guarded blocks can have only guarded statements
B. Guarded blocks can have both guarded as well as unguarded statements
C. Guarded blocks are executed when guarded expression is false
D. Guarded expression can have BIT type
Answer» C. Guarded blocks are executed when guarded expression is false
6.

Guarded blocks are synthesizable.

A. True
B. False
Answer» C.
7.

What should be the type of the value of guard expression?

A. BOOLEAN
B. INTEGER
C. REAL
D. BIT_VECTOR
Answer» B. INTEGER
8.

Guarded block has an extra ________ expression.

A. Conditional
B. Declarative
C. Block
D. Guard
Answer» E.
9.

Which of the following defines the interface to the block?

A. Block declaration part
B. Block header
C. Block statement part
D. Generic declaration part
Answer» C. Block statement part
10.

WHICH_OF_THE_FOLLOWING_DEFINES_THE_INTERFACE_TO_THE_BLOCK??$

A. Block declaration part
B. Block header
C. Block statement part
D. Generic declaration part
Answer» D. Generic declaration part
11.

What should be the type of the value of guard expression?$

A. BOOLEAN
B. INTEGER
C. REAL
D. BIT_VECTOR
Answer» C. REAL
12.

Guarded block has an extra ________ expression.$

A. Conditional
B. Declarative
C. Block
D. Guard
Answer» B. Declarative
13.

A block can be nested within another block.

A. True
B. False
Answer» C.
14.

Which of the following is better for design partitioning?

A. Guarded block
B. Unguarded block
C. Component instantiation
D. Component declaration
Answer» C. Component instantiation
15.

What is the main purpose of using blocks?

A. To improve reusability
B. To improve conditional execution
C. To improve readability
D. To improve speed of execution
Answer» C. To improve readability
16.

What is the scope of variables or signals declared in the block statement?

A. Global to the design
B. Local to the architecture
C. Local to the block itself
D. Local to the entity of which architecture is defined
Answer» C. Local to the block itself
17.

What do you mean by a block?

A. An object of architecture
B. Interconnection of two or more signals
C. A part of an entity
D. A sub module in an architecture body
Answer» E.