Explore topic-wise MCQs in Vhdl.

This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Vhdl knowledge and support exam preparation. Choose a topic below to get started.

1.

In STD_LOGIC_1164, the resolution function for ______ is not provided.

A. STD_LOGIC
B. STD_LOGIC_VECTOR
C. STD_ULOGIC
D. STD_ULOGIC_VECTOR
Answer» D. STD_ULOGIC_VECTOR
Discussion
2.

Following lines are a part of _______ package.

A. STANDARD
B. STD_LOGIC_ARITH
C. STD_LOGIC_1164
D. WORKView Answer
Answer» D. WORKView Answer
Discussion
3.

Which of the following package may contain the given statement?

A. STD_LOGIC_1164
B. STANDARD
C. STD_LOGIC_ARITH
D. WORKView Answer
Answer» E.
Discussion
4.

The following statement must be in _______ package.

A. STD_LOGIC_1164
B. STANDARD
C. STD_LOGIC_ARITH
D. IEEEView Answer
Answer» C. STD_LOGIC_ARITH
Discussion
5.

The basic arithmetic function provided by STD_LOGIC_ARITH is for ______ data type.

A. STD_LOGIC_VECTOR
B. STD_LOGIC
C. INTEGER
D. CHARACTER
Answer» B. STD_LOGIC
Discussion
6.

What is another name for STD_LOGIC_ARITH package?

A. STD_LOGIC_1164
B. STD_LOGIC_NUMERIC
C. NUMERIC_STD
D. ARITH_STD
Answer» D. ARITH_STD
Discussion
7.

Which package defines the data type STD_LOGIC_SIGNED?

A. STD_LOGIC_1164
B. STD_LOGIC_ARITH
C. STD_LOGIC_NUMERIC
D. IEEE
Answer» C. STD_LOGIC_NUMERIC
Discussion
8.

Which of the following package need not to be a part of the VHDL code?

A. STANDARD
B. STD_LOGIC_1164
C. TEXTIO
D. STD_LOGIC_ARITH
Answer» B. STD_LOGIC_1164
Discussion
9.

WHICH_PACKAGE_DEFINES_THE_DATA_TYPE_STD_LOGIC_SIGNED??$

A. STD_LOGIC_1164
B. STD_LOGIC_ARITH
C. STD_LOGIC_NUMERIC
D. IEEE
Answer» C. STD_LOGIC_NUMERIC
Discussion
10.

The basic arithmetic function provided by STD_LOGIC_ARITH is for ______ data type.$

A. STD_LOGIC_VECTOR
B. STD_LOGIC
C. INTEGER
D. CHARACTER
Answer» B. STD_LOGIC
Discussion
11.

What_is_another_name_for_STD_LOGIC_ARITH_package?$

A. STD_LOGIC_1164
B. STD_LOGIC_NUMERIC
C. NUMERIC_STD
D. ARITH_STD
Answer» D. ARITH_STD
Discussion
12.

STD_LOGIC_1164

A. STANDARD
B. STD_LOGIC_ARITH
C. WORK
Answer» D.
Discussion
13.

What is the most important use of STD_LOGIC_1164 package?

A. To define and use parallel operations
B. To use concurrent code
C. To use sequential code
D. Multi value logic system
Answer» E.
Discussion
14.

The STD_LOGIC_1164 package is contained by _______ library.

A. STD
B. WORK
C. STD_LOGIC
D. IEEE
Answer» E.
Discussion
15.

Among the four packages given below, which is the most used package of VHDL?

A. STD_LOGIC_1164
B. TEXTIO
C. STD_LOGIC_ARITH
D. NUMERIC_STD
Answer» B. TEXTIO
Discussion
16.

TEXTIO package is included in the code by default.

A. True
B. False
Answer» C.
Discussion
17.

Which statement is correct to include a package in the code where we need to read from and write to text files?

A. USE STD.TEXT.all;
B. USE STD.TEXTIO.all;
C. USE IEEE.TEXTIO.all;
D. USE IEEE.TEXT.all;
Answer» C. USE IEEE.TEXTIO.all;
Discussion
18.

Which of the following is not defined in the STANDARD package?

A. Basic data types
B. Functions for different operations for data types
C. Functions to read from the text files
D. Functions for arithmetic operators
Answer» D. Functions for arithmetic operators
Discussion
19.

In which of the following library, the package STANDARD defined?

A. IEEE
B. STD
C. WORK
D. STD_LOGIC
Answer» C. WORK
Discussion
20.

Which of the following package need not to be a part of VHDL code?

A. STANDARD
B. STD_LOGIC_1164
C. TEXTIO
D. STD_LOGIC_ARITH
Answer» B. STD_LOGIC_1164
Discussion