MCQs

Software Engineering MCQs with Explanations

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901Software EngineeringMedium

Which of the following is not a construct?

Aselection

Brepetition

Ccondition

Dsequence

Correct answer

A. selection

Explanation

Explanation: Sequence implements processing steps that are essential in the specification of any algorithm. Condition provides the facility for selected processing based on some logical occurrence, and repetition allows for looping.

902Software EngineeringMedium

The octal representation 652 indicates________?

AWrite permission for others

BRead and write permission of groups

CExecute permission for the owner

DAll of the above

Correct answer

A. Write permission for others

Explanation

The correct answer is Write permission for others.

903Software EngineeringMedium

Management information systems (MIS)?

Aprocess business transactions (e.g., time cards, payments, orders, etc.)

Buse the transaction data to produce information needed by managers to run the business

Ccapture and reproduce the knowledge of an expert problem solver

Dcreate and share documents that support day-today office activities

Correct answer

B. use the transaction data to produce information needed by managers to run the business

Explanation

The correct answer is use the transaction data to produce information needed by managers to run the business.

904Software EngineeringMedium

If you are working on real-time process control applications or systems that involve concurrent processing, you would use a________?

AStatechart diagram

BObject diagram

CActivity diagram

DSequence diagram

Correct answer

A. Statechart diagram

Explanation

Explanation: A statechart diagram shows a state machine, consisting of states, transitions, events, and activities.

905Software EngineeringMedium

A data item which is not broken down into smaller units is ________?

AData element

BData entry

CDatabase management

DElementary data item

Correct answer

D. Elementary data item

Explanation

The correct answer is Elementary data item.

906Software EngineeringMedium

What layer protocol is responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?

ALayer 5 protocols

BLayer 6 protocols

CLayer 7 protocols

DLayer 4 protocols

Correct answer

C. Layer 7 protocols

Explanation

The correct answer is Layer 7 protocols.

907Software EngineeringMedium

Consider an example of a system which has a police command and control system that may include a geographical information system to provide details of the location of incidents. What kind of system the example represents?

ABoth Complex and Sociotechnical System

BSociotechnical System

CTechnical computer-based system

DComplex System

Correct answer

A. Both Complex and Sociotechnical System

Explanation

Explanation: Complex systems are usually hierarchical and so include other systems.

908Software EngineeringMedium

Software evolution does not comprises?

ARe-engineering activities

BMaintenance activities

CNegotiating with client

DDevelopment activities

Correct answer

C. Negotiating with client

Explanation

Explanation: Software evolution refers to the study and management of the process of making changes to software over time. Thus it comprises rest three options.

909Software EngineeringMedium

& diagrams of UML represent Interaction modeling?

AActivity, State Chart

BClass, Object

CUse Case, Sequence

DAll of the mentioned

Correct answer

C. Use Case, Sequence

Explanation

Explanation: Use case modeling is mostly used to model interactions between a system and external actors. Sequence diagrams are used to model interactions between system components, although external agents may also be included.

910Software EngineeringMedium

Data Store Symbol in DFD represents a________?

AAll of the mentioned

BLogical file

CData Structure

DPhysical file

Correct answer

A. All of the mentioned

Explanation

Explanation: A logical file can be a data structure or a physical file on disk.

Which of the following is not a construct?

Aselection

Brepetition

Ccondition

Dsequence

Correct answer

A. selection

Explanation

Management information systems (MIS)?

Aprocess business transactions (e.g., time cards, payments, orders, etc.)

Buse the transaction data to produce information needed by managers to run the business

Ccapture and reproduce the knowledge of an expert problem solver

Dcreate and share documents that support day-today office activities

Correct answer

B. use the transaction data to produce information needed by managers to run the business

Explanation

The correct answer is use the transaction data to produce information needed by managers to run the business.

Software evolution does not comprises?

ARe-engineering activities

BMaintenance activities

CNegotiating with client

DDevelopment activities

Correct answer

C. Negotiating with client

Explanation

Explanation: Software evolution refers to the study and management of the process of making changes to software over time. Thus it comprises rest three options.

________ & ________ diagrams of UML represent Interaction modeling?

AActivity, State Chart

BClass, Object

CUse Case, Sequence

DAll of the mentioned

Correct answer

C. Use Case, Sequence

Explanation