Explore topic-wise MCQs in Vhdl.

This section includes 10 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 correct syntax for WAIT ON statement?

A. WAIT ON signal_assignments;
B. WAIT ON boolean_condition;
C. WAIT ON signal_list;
D. WAIT ON time_expression;
Answer» D. WAIT ON time_expression;
2.

Which of the following is the correct use of WAIT ON statement?

A. To stop execution until a signal changes its value
B. To stop execution when a signal changes its value
C. To stop execution when a condition specified is true
D. To stop execution when a condition specified is false
Answer» B. To stop execution when a signal changes its value
3.

How to define a WAIT FOR statement?

A. WAIT FOR signal_name;
B. WAIT FOR booelan_expression;
C. WAIT FOR clock_event;
D. WAIT FOR time_value;
Answer» E.
4.

What is the use of WAIT FOR statement?

A. To stop execution when the condition is false
B. To stop execution until a signal changes its value
C. To stop execution for a specific time period
D. To stop execution until the clock event occurs
Answer» D. To stop execution until the clock event occurs
5.

What is the correct syntax for using a WAIT UNTIL statement?

A. WAIT UNTIL boolean_condition_or_expression;
B. WAIT UNTIL signal_name;
C. WAIT UNTIL time_value_or_expression;
D. WAIT UNTIL boolean_expression time_value;
Answer» B. WAIT UNTIL signal_name;
6.

WAIT UNTIL statements cause the process to wait ________

A. When a signal changes value
B. Until a condition is true
C. For a specific time period
D. When either a signal changes its value or a condition comes true
Answer» C. For a specific time period
7.

Which of the following is not the correct WAIT statement?

A. WAIT ON
B. WAIT WHILE
C. WAIT FOR
D. WAIT UNTIL
Answer» C. WAIT FOR
8.

How many forms of WAIT statement are there in VHDL?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
9.

Which of the following can’t be used in a process when it has any WAIT statement?

A. IF
B. CASE
C. LOOP
D. Sensitivity list
Answer» E.
10.

WAIT statement can’t appear under _______ directly.

A. Architecture
B. Process
C. Procedure
D. Subprogram
Answer» B. Process