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Software Engineering MCQs with Explanations

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1561Software EngineeringMedium

What is MTTF?

AMinimum time to failure

Maximum time to failure

CNone of the mentioned

DMean time to failure

Correct answer

D. Mean time to failure

Explanation

The correct answer is Mean time to failure.

1562Software EngineeringMedium

COTS stands for________?

ACommercial Off-The-Shelf states

BCommercial Off-The-Shelf systems

CNone of the mentioned

DCommercial Off-The-System state

Correct answer

B. Commercial Off-The-Shelf systems

Explanation

The correct answer is Commercial Off-The-Shelf systems.

1563Software EngineeringMedium

With a CD you can________?

Anone of these

Bread and write

Cwrite

Dread

Correct answer

D. read

Explanation

The correct answer is read.

1564Software EngineeringMedium

A generalised software package produced to meet the bugs of a variety of data processing users is known as________?

AApplication package

BSystem software

COperating system

DUtility programs

Correct answer

A. Application package

Explanation

The correct answer is Application package.

1565Software EngineeringMedium

The light pen was developed in________?

A1956

B1948

C1950

D1942

Correct answer

C. 1950

Explanation

The correct answer is 1950.

1566Software EngineeringMedium

The ________ of a formal specification language is often based on a syntax that is derived from standard set theory notation and predicate calculus?

Aset

Bsequence

Csemantic domain

Dsyntactic domain

Correct answer

D. syntactic domain

Explanation

The correct answer is syntactic domain.

1567Software EngineeringMedium

Which of the following is not a type of CASE tool?

AClassic

BReal

CLower

DMiddle

Correct answer

D. Middle

Explanation

Explanation: Lower and Upper CASE tools support analysis and design.

1568Software EngineeringMedium

In factory method pattern, the framework must instantiate classes but it only knows about the abstract classes, which it cannot initiate. How would one solve this problem?

Aall of the mentioned

Binstantiating the application specific documents without knowing their class

Cmoving this knowledge out of the framework

Dencapsulating the knowledge of which document subclass to is to be created and

Correct answer

A. all of the mentioned

Explanation

Explanation: Following all the options in order will solve the factory method problem.

1569Software EngineeringMedium

Which two of the following models will not be able to give the desired outcome if user’s participation is not involved?

ARAD & Spiral

BWaterfall & Spiral

CRAD & Waterfall

DRAD & Prototyping

Correct answer

D. RAD & Prototyping

Explanation

Explanation: Active Participation of user is involved in all the four phases of RAD model and in case of the Prototyping model we need user’s presence/involvement every time a new prototype is build or designed.

1570Software EngineeringMedium

The agency that sits between the user and the UNIX system is called the________?

Ashell

Blogic

Cerxc

Dprofile

Correct answer

A. shell

Explanation

The correct answer is shell.

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