Explore topic-wise MCQs in Vhdl.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Vhdl knowledge and support exam preparation. Choose a topic below to get started.

1.

A parity generator is a combinational circuit and is designed by using a combinational process.

A. True
B. False
Answer» B. False
2.

In the combinational process, the use of output signal in the sensitivity list is illegal.

A. True
B. False
Answer» C.
3.

In designing a 2 to 1 demultiplexer with input d, output y and select line s, which of the following is a correct process statement?

A. PROCESS(d)
B. PROCESS(d(0), d(1), s)
C. PROCESS(d(0), d(1))
D. PROCESS(d, s, y)
Answer» B. PROCESS(d(0), d(1), s)
4.

A package is designed called mux4to1_package, in which a component called mux4to1 is defined, which is a 4 to 1 multiplexer. Now a user wants to design a 16 to 1 MUX by using the same component only, how many times he needs to use the PORT MAP statement?

A. 2
B. 3
C. 4
D. 5
Answer» E.
5.

If only two bit vectors are allowed to use in the VHDL code, then how many number of MUX will be required to implement 4 to 1 MUX?

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
6.

The process statement used in combinational circuits is called ______ process.

A. Combinational
B. Clocked
C. Unclocked
D. Sequential
Answer» B. Clocked