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Welcome to the Software Testing MCQs Page

Dive deep into the fascinating world of Software Testing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Software Testing, a crucial aspect of Software Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Software Testing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Engineering.

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Check out the MCQs below to embark on an enriching journey through Software Testing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Software Testing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Software Testing MCQs | Page 30 of 43

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Q291.
What is needed to perform a proof of correctness?

a.

The specification must be expressed informally

b.

The specification must be expressed formally

c.

No specification is needed

d.

Tool support is not necessary

Discuss
Answer: (b).The specification must be expressed formally Explanation:In order to perform a proof of correctness, the specification must be expressed formally.
Q292.
What is the role of tools in the process of proving correctness?

a.

They make the process easier

b.

They make the process more difficult

c.

They are not necessary

d.

They make the process more formal

Discuss
Answer: (a).They make the process easier Explanation:Tools in this area are often based on heuristics and proceed interactively, making the process of proving the correctness of a program easier.
Q293.
Are formal correctness proofs easy for average programmers to construct?

a.

Yes

b.

No

c.

May be Yes or No

d.

Can't say

Discuss
Answer: (b).No Explanation:Formal correctness proofs are very formal and often difficult for the average programmer to construct.
Q294.
Is thorough knowledge of formal correctness proofs necessary for better software?

a.

Yes

b.

No

c.

May be Yes or No

d.

Can't say

Discuss
Answer: (a).Yes Explanation:It is justified to state that a thorough knowledge of this type of formal technique will result in better software.
Q295.
What is stepwise abstraction?

a.

A process of refining software components

b.

A bottom-up process to deduce the function of a piece of program text

c.

A top-down development of software components

d.

An interactive process based on heuristics

Discuss
Answer: (b).A bottom-up process to deduce the function of a piece of program text Explanation:Stepwise abstraction is a bottom-up process to deduce the function of a piece of program text from the text.
Q296.
What does stepwise abstraction starts from?

a.

The function of the component as described in the design or requirements specification

b.

The instructions of the source code

c.

The description of the function to be executed

d.

The formal specification expressed in two assertions

Discuss
Answer: (b).The instructions of the source code Explanation:In stepwise abstraction, the process starts from the instructions of the source code and builds up the function of the component in a number of steps.
Q297.
What is the purpose of stepwise abstraction?

a.

To refine software components

b.

To prove the formal correctness of a program

c.

To deduce the function of a piece of program text

d.

To decide whether the right system was built through testing

Discuss
Answer: (c).To deduce the function of a piece of program text Explanation:The purpose of stepwise abstraction is to deduce the function of a piece of program text from the text itself.
Q298.
What is coverage-based testing?

a.

Testing a product's performance based on its functional requirements.

b.

Testing the product based on the percentage of instructions, branches, or paths executed.

c.

Testing the product's quality based on its market value.

d.

Testing the product's design based on the number of actions taken.

Discuss
Answer: (b).Testing the product based on the percentage of instructions, branches, or paths executed. Explanation:Coverage-based testing is a method of testing the adequacy of a product, where the testing is expressed in terms of the coverage of the product. This coverage is based on the number of instructions, branches, or paths executed during the execution of a program.
Q299.
What is a control graph?

a.

A graph representing the product's design.

b.

A graph representing the product's market value.

c.

A graph representing the actions taken and the subsequent actions in a program.

d.

A graph representing the product's performance.

Discuss
Answer: (c).A graph representing the actions taken and the subsequent actions in a program. Explanation:In coverage-based testing, the notion of a control graph is used to express the adequacy of testing. The control graph is a representation of the actions taken in a program and the subsequent actions, with nodes representing the actions and edges connecting the subsequent actions.
Q300.
What is a simple cycle in a control graph?

a.

A cycle representing the product's market value.

b.

A cycle representing the product's design.

c.

A cycle in the graph that corresponds to loops in the program and has distinct inner nodes.

d.

A cycle in the graph that corresponds to loops in the program but does not include the first or last node.

Discuss
Answer: (c).A cycle in the graph that corresponds to loops in the program and has distinct inner nodes. Explanation:A simple cycle in a control graph is a cycle that has distinct inner nodes and corresponds to loops in the program. It is called simple if its inner nodes are distinct and do not include the first or last node.
Page 30 of 43

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