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Software Engineering MCQs with Explanations

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231Software EngineeringMedium

Which option is used with the chmod command recursively to all files and sub-directories in a directory?

A-x

B-R

C-i

D-1

Correct answer

B. -R

Explanation

The correct answer is -R.

232Software EngineeringMedium

The acronym WORM in a computer system and used in optical technology stands for ________?

AWrite once, Read memory

BWrite only, Read memory

CWrite only, Replicate memory

DWrite once, Read many

Correct answer

A. Write once, Read memory

Explanation

The correct answer is Write once, Read memory.

233Software EngineeringMedium

Selection of a model is based on________?

AAll of the mentioned

BRequirements

CDevelopment team & Users

DProject type and associated risk

Correct answer

A. All of the mentioned

Explanation

Explanation: Each model has to have some requirements, a team of developers, users and the risk involved in developing a project

234Software EngineeringMedium

Dynamic web page________?

Ais same every time whenever it displays

Bnone of the above

Cgenerates on demand by a program or a request from browser

Dboth A and B

Correct answer

C. generates on demand by a program or a request from browser

Explanation

The correct answer is generates on demand by a program or a request from browser.

235Software EngineeringMedium

What stores all changes and info related to the project from development through maintenance in CASE tools?

ANone of the mentioned

BRegisters

CRepository

DDatabase

Correct answer

C. Repository

Explanation

Explanation: The main component of real CASE tools is the repository which stores all changes

236Software EngineeringMedium

Every task that is scheduled should be assigned to a specific team member is termed as________?

ADefined outcomes

BDefined milestones

CDefined responsibilities

DCompartmentalization

Correct answer

C. Defined responsibilities

Explanation

Explanation: These responsibilities are domain specific.

237Software EngineeringMedium

In java, gc() method is available in which package?

Ajava.awt package

Bjava.util package

Cjava.lang package

Djava.io package

Correct answer

C. java.lang package

Explanation

The correct answer is java.lang package.

238Software EngineeringMedium

The deliverable of the problem analysis phase is________?

Asystem improvement objectives

Bstatement of work

Cstatement of constraints

Dproblem statement

Correct answer

A. system improvement objectives

Explanation

The correct answer is system improvement objectives.

239Software EngineeringMedium

When a client application invokes a method contained within an object elsewhere in the system, CORBA uses dynamic invocation to________?

Aall of the mentioned

Bcreate a request for the object

Ccreate a data structure with parameters to be passed to the object

Dobtain pertinent information about the desired method from the interface repository

Correct answer

A. all of the mentioned

Explanation

Explanation: The request is then passed to the ORB core—an implementation-specific part of the network operating system that manages requests, and the request is fulfilled.

240Software EngineeringMedium

In analyzing the compilation of PL/I program, the term “Lexical analysis” is associated with________?

Ause of macro processor to produce more optimal assembly code

Brecognition of basic syntactic constructs through reductions

Crecognition of basic elements and creation of uniform symbols

Dcreation of more optional matrix

Correct answer

C. recognition of basic elements and creation of uniform symbols

Explanation

The correct answer is recognition of basic elements and creation of uniform symbols.

When a client application invokes a method contained within an object elsewhere in the system, CORBA uses dynamic invocation to________?

Aall of the mentioned

Bcreate a request for the object

Ccreate a data structure with parameters to be passed to the object

Dobtain pertinent information about the desired method from the interface repository

Correct answer

A. all of the mentioned

Explanation

Explanation: The request is then passed to the ORB core—an implementation-specific part of the network operating system that manages requests, and the request is fulfilled.

In analyzing the compilation of PL/I program, the term “Lexical analysis” is associated with________?

Ause of macro processor to produce more optimal assembly code

Brecognition of basic syntactic constructs through reductions

Crecognition of basic elements and creation of uniform symbols

Dcreation of more optional matrix

Correct answer

C. recognition of basic elements and creation of uniform symbols

Explanation

The correct answer is recognition of basic elements and creation of uniform symbols.