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Syllabus

NEC Computer · Practice

Chapters & sets

1. Basic Electrical and Electronics

Basic Electrical

Set 1106

Basic Electronics

Set 171 Set 233

2. Digital Logic and Microprocessor

Digital Logic

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 749 Set 851 Set 950 Set 1050 Set 1150 Set 1232

Microprocessor

Set 150 Set 250 Set 350 Set 445 Set 550 Set 650 Set 720 Set 850 Set 969

3. Programming Language and Its Applications

Mixed chapter MCQs

Set 150 Set 249 Set 349 Set 451 Set 540

4. Computer Organization and Embedded System

Mixed chapter MCQs

Set 150 Set 249 Set 350 Set 450 Set 550 Set 650 Set 750 Set 849 Set 950 Set 1050 Set 1150

5. Concept of Computer Network and Network Security System

Basic Networking

Set 150 Set 253

Advanced Networking

Set 150 Set 250 Set 350 Set 450 Set 550 Set 655

6. Theory of Computation and Computer Graphics

Theory of Computation

Set 150 Set 250 Set 360

Computer Graphics

Set 150 Set 251 Set 350 Set 450 Set 550

7. Data Structures and Algorithm, Database System and Operating System

8. Software Engineering and Object-Oriented Analysis & Design

Mixed chapter MCQs

Set 150 Set 250 Set 350 Set 450 Set 550 Set 650 Set 750 Set 926

9. Artificial Intelligence and Neural Networks

Mixed chapter MCQs

Set 150 Set 317 Set 450 Set 550 Set 650 Set 750 Set 850 Set 932

10. Project Planning, Design and Implementation

Engineering Drawing

Set 150 Set 267

Engineering Economics

Set 168

Project Planning & Scheduling

Set 188

Project Mangement

Set 150

Engineering Professional Practice

Set 120

Engineering Regulatory Body

Set 130

Mixed chapter MCQs Set 7

50 questions

Question 1

Students will be allocated to one department at least but cannot be allocated to more than 3 departments. Identify the cardinality between Department and Student

A.
Department: 1 and Student: 1.\*
B.
Department: \* and Student: 1.\*
C.
Department: 1..3 and Student: \*
D.
Department: \* and Student: \*

2

50

Which one of the following best characterizes a sequence diagram?

A.
A tree illustrating inheritance relationship between classes
B.
A call graph illustrating all possible sequences of calls between class method members
C.
A time-line illustrating a typical sequence of calls between object methods
D.
A time-line illustrating the changes in inheritance and instantiation relationships between classes and objects over time

Question 3

______ diagram helps to show Dynamic aspects related to a system.

A.
Object
B.
Deployment
C.
Class
D.
Interaction

Question 4

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

A.
State Diagram
B.
Class Diagram
C.
Activity Diagram
D.
Object Diagram

Question 5

"Book has pages". In this sentence what is relation between book and page classes?

A.
Inheritance
B.
Aggregation
C.
Composition
D.
Association

Question 6

How guard condition is represented in sequence diagram

A.
Using ( )
B.
Using \[ ]
C.
Using keyword condition
D.
None of the mentioned

Question 7

Bulls eye is use to denote ______.

A.
Start state
B.
Concurrent state
C.
End state
D.
None of the above

Question 8

______ shows a set of objects and their relationships.

A.
Class diagram
B.
Object diagram
C.
Use case diagram
D.
Collaboration diagram

Question 9

A collaboration diagram depicts which one of the following types of information?

A.
Structural information such as class association
B.
The looping structure
C.
The decision structure among the classes
D.
The attribute values of the objects

Question 10

Because of ______ reason the inheritance useful.

A.
It prevents inherited properties from being lost
B.
It minimizes the amount of code which has to be written
C.
It creates elegant tree structures in the class model
D.
It divides objects up into useful classes

Question 11

______ characteristics of a class implies that the same message can be interpreted by it differently.

A.
Polymorphism
B.
Overloading
C.
Overriding
D.
Inheritance

Question 12

Consider the statement: "Test can be Objective or Subjective." Assuming that Test and Subjective are two classes, what can be said about the relationship between these two classes?

A.
Aggregation
B.
Composition
C.
Generalization - specialization
D.
Polymorphism

Question 13

Login credentials are validated by system. Which relationship exists among login and validation use cases-

A.
Login include Validation
B.
Validation include Login
C.
Login extend Validation
D.
Validation extend Login

Question 14

“Payment can be done through Credit Card or Debit Card”. In this relation payment is consider as ___

A.
Base uses case
B.
Extension point
C.
Inclusion
D.
None of the above

Question 15

“Students work on project and get evaluated.” In this evaluation function is consider at ___

A.
Project class
B.
Student class
C.
Association class of “works on”
D.
Evaluation class

Question 16

Solid circle is considering as start state only when ___

A.
Previous states are not known
B.
Idle state is not present
C.
It is optional
D.
None of the above

Question 17

Merge (Hollow diamond) is use to

A.
Split a single incoming flow into multiple concurrent flows
B.
Bring together multiple flows that are not concurrent
C.
Interrupt the flow denoted with a lightning bolt
D.
Group related activities into one column

Question 18

The vertical line in activity diagram represents

A.
Decision and branching
B.
Synchronization
C.
Time event
D.
Swim lanes

Question 19

The vertical line in sequence diagram represents

A.
Time line of object
B.
Synchronization
C.
Swim lanes
D.
End of life

Question 20

______ is a crucial software development activity for both Software Engineering and Knowledge Engineering.

A.
Conceptual modeling
B.
Visibility modeling
C.
System Modeling
D.
Behavior Modeling

Question 21

Domain Modeling is also known as:

A.
Behavior modeling
B.
Conceptual modeling
C.
System modeling
D.
None

Question 22

During the domain analysis, which is the initial step of domain modeling, the objects are to be identified. These objects are classified into three categories,

A.
Boundary objects, Controller objects, Entity objects
B.
Class objects, data objects, meta objects
C.
Controller object, model object, view object
D.
All of above

Question 23

Boundary objects are also called ______.

A.
Interface objects
B.
Class objects
C.
Model objects
D.
Meta objects

Question 24

A domain model is a representation of real-world conceptual classes, not of software components.

A.
True
B.
False

Question 25

IS this a domain model? \[\begin{array}{|c|c|} \hline \text{Card} & \text{DecK} \ \hline \end{array}] \[\begin{array}{|c|c|} \hline \text{Privacy} & \text{CribbageBoard} \ \hline & \text{Peg} \ \hline \end{array}]

A.
Yes
B.
No

Question 26

Conceptual modelling represents ______.

A.
Responsibility
B.
Attributes
C.
Important relationships between them
D.
All of the mentioned

Question 27

______ are the sequence of steps for conceptual process.

A.
Add Attributes
B.
Add Classes
C.
Add Association
D.
All of the mentioned

Question 28

______ is the third step in sequence for conceptual class modelling.

A.
Adding Class
B.
Adding Association
C.
Adding Attribute
D.
None of the mentioned

Question 29

The method of design encompassing the process of object oriented decomposition and a notation for depicting both logical and physical and as well as static and dynamic models of the system under design is known as:

A.
Object-Oriented Programming
B.
Object-Oriented Design
C.
Object-Oriented Analysis
D.
None of the mentioned

Question 30

What is the programming style of the object-oriented conceptual model?

A.
Invariant relationships
B.
Algorithms
C.
Classes and objects
D.
Goals, often expressed in a predicate calculus.

Question 31

The essential characteristics of an object that distinguish it from all other kinds of objects and thus provide crisply defined conceptual boundaries, relative to the perspective of the viewer is called:

A.
Encapsulation
B.
Modularity
C.
Hierarchy
D.
Abstraction

Question 32

Abstraction is classified into ______ types

A.
4
B.
3
C.
2
D.
1

Question 33

The process of compartmentalizing the elements of an abstraction that constitute its structure and behavior is called as

A.
Hierarchy
B.
Encapsulation
C.
Modularity
D.
Entity Abstraction

Question 34

Single inheritance, Multiple inheritance, and Aggregation comes under

A.
Modularity
B.
Typing
C.
Hierarchy
D.
None of the mentioned

Question 35

In which of the following mechanisms, types of all variables and expressions are fixed at compilation time.

A.
Strong Typing
B.
Weak Typing
C.
Static Binding/ early binding
D.
Dynamic Binding/ late binding

Question 36

In which of the following mechanisms, types of all variables and expressions are not known until runtime

A.
Strong Typing
B.
Weak Typing
C.
Static Binding/ early binding
D.
Dynamic Binding/ late binding

Question 37

Which of the following statements about Persistence is correct?

A.
It is the enforcement of the class of an object, such that objects of different types may not be interchanged, or at the most they may be interchanged only in very restricted ways.
B.
It is the property of an object through which its existence transcends time and/or space.
C.
It is the property that distinguishes an active object from one that is not active.
D.
All of the mentioned

Question 38

What is that concept in type theory in which a single name may denote objects of many different classes that are related by some common superclass referred to ______.

A.
Monomorphism
B.
Type Checking
C.
Polymorphism
D.
Generalization

Question 39

Identify the problem of the GRASP pattern: What is a basic principle by which to assign responsibilities to objects?

A.
Low coupling
B.
High cohesion
C.
Information Expert
D.
Creator

Question 40

Identify the problem of the GRASP pattern: Who creates object A?

A.
Low coupling
B.
High cohesion
C.
Information Expert
D.
Creator

Question 41

Identify the problem of the GRASP pattern: What first object beyond the UI layer receives and coordinates “controls” a system operation?

A.
Controller
B.
High cohesion
C.
Information Expert
D.
Creator

Question 42

Identify the problem of the GRASP pattern: How to reduce the impact of change? How to support low dependency and increased reuse?

A.
High Coupling
B.
Low Coupling
C.
High Cohesion
D.
Low Cohesion

Question 43

Identify the problem of the GRASP pattern: How to keep objects focused, understandable, manageable and as a side effect support Low Coupling?

A.
High Coupling
B.
Low Coupling
C.
High Cohesion
D.
Low Cohesion

Question 44

Identify the problem of the GRASP pattern: Where to assign a responsibility to avoid direct coupling between two or more things?

A.
Indirection
B.
Polymorphism
C.
Pure Fabrication
D.
Creational

Question 45

Identify the problem of the GRASP pattern: How handle alternatives based on type?

A.
Pure Fabrication
B.
Polymorphism
C.
Information Expert
D.
Creator

Question 46

Identify the problem of the GRASP pattern: What object should have the responsibility, when you do not want to violate High Cohesion and Low Coupling, but solutions offered by other principles are not appropriate?

A.
Polymorphism
B.
High Cohesion
C.
Low Coupling
D.
Pure Fabrication

Question 47

Identify the problem of the GRASP pattern: How to design objects, subsystems and systems so that the variations or instability in these elements does not have an undesirable impact on other elements?

A.
Protected Variations
B.
High Cohesion
C.
Low Coupling
D.
Pure Fabrication

Question 48

Identify the problem of GoF pattern: How do you ensure that it is never possible to create more than one instance of a singleton class?

A.
Adapter
B.
Singleton
C.
Façade
D.
Observer

Question 49

Identify the problem of GoF pattern: How do you reduce the interconnection between classes, especially between classes that belong to different modules or subsystems?

A.
Adapter
B.
Singleton
C.
Façade
D.
Observer

Question 50

Identify the problem of GoF pattern: How can you most effectively make use of a method that already exists in the other class?

A.
Adapter
B.
Singleton
C.
Façade
D.
Delegation

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