For More Quiz Questions click here to download Global Quiz on Google PlayStore

NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
SEPTEMBER 2020 EXAMINATION

COURSE CODE: CIT734

COURSE TITLE: OBJECT-ORIENTED TECHNOLOGY

CREDIT: 3 UNITS

TIME ALLOWED: 2½ HOURS

INSTRUCTIONS: ANSWER QUESTION 1 AND ANY OTHER FOUR (4) OTHER QUESTIONS

 

Q1 a. Why does the object-oriented philosophy use methods defined inside classes; What could be the advantage (4 marks)

b. Explain the following terms

(i) Operator Overloading (3 marks)

(ii) Static Polymorphism (3 marks)

(iii) Multiple Inheritance (3 marks)

c. What are three distinguishing features of the Java programming language (3 marks)

d. Distinguish between public, private and protected elements in OOP (6 marks) 22 marks

 

Q2 a. List the three types of relationships of classes (3 marks)

b. Briefly explain the following programming techniques

(i) Unstructured Programming (3 marks)

(ii) Procedural Programming (3 marks)

(iii)Modular programming (3 marks) 12 marks

 

Q3. a. Briefly explain three (3) elements in the documentation of a software product (6 marks)

b. List and describe three Software Engineering phases (6 marks)

 

Q4. a. List six (6) basic software engineering principles (6 marks)

b. Discuss three quality indicators of software products. (6 marks)

 

Q5. a. Discuss the life-Cycle Views of Object-Oriented Design (4 marks)

b. Outline four (4) OOAD methodologies (4 marks)

c. Briefly explain the concept of Modularity in software engineering (4 marks)

 

Q6. a. In C++ Write the code that declares a class called Person with these data members: firsname, lastname, and DOB (3 marks)

Write your own constructor and destructor for the class (3 marks) Use the right access modifiers for the members (3 marks)

b. In declaring a class discuss why it is not advisable to make all data members public? (3 marks)


For More Quiz Questions click here to download Global Quiz on Google PlayStore


Select NOUN Past Questions & Answers by Faculties

Sciences

National Open University of Nigeria (NOUN) Faculty of Sciences Past Questions and Answers.

Education

National Open University of Nigeria (NOUN) Faculty of Education Past Questions and Answers.

Arts & Social Sciences

National Open University of Nigeria (NOUN) Faculty of Arts and Social Sciences Past Questions and Answers.

Law

National Open University of Nigeria (NOUN) Faculty of Law Past Questions and Answers.

Management Sciences

National Open University of Nigeria (NOUN) Faculty of Management Sciences Past Questions and Answers.

Health Sciences

National Open University of Nigeria (NOUN) Faculty of Health Sciences Past Questions and Answers.

Agriculture Sciences

National Open University of Nigeria (NOUN) Faculty of Agricultural Sciences Past Questions and Answers.

Select Project Topics & Materials by Categories

Accounting

Universities, Polytechnic's and Colleges of Education Accounting Project Topics and Materials.

Biology

Universities, Polytechnic's and Colleges of Education Biology Project Topics and Materials.

Business Education

Universities, Polytechnic's and Colleges of Education Business Education Project Topics and Materials.

Chemistry

Universities, Polytechnic's and Colleges of Education Chemistry Project Topics and Materials.

Computer Science

Universities, Polytechnic's and Colleges of Education Computer Science Project Topics and Materials.

Criminology & Security

Universities, Polytechnic's and Colleges of Education Criminology & Security Project Topics and Materials.

Economics

Universities, Polytechnic's and Colleges of Education Economics Project Topics and Materials.

Education

Universities, Polytechnic's and Colleges of Education Education Project Topics and Materials.

English/Linguistic

Universities, Polytechnic's and Colleges of Education English/Linguistic Project Topics and Materials.

Entrepreneurship

Universities, Polytechnic's and Colleges of Education Entrepreneurship Project Topics and Materials.

Environmental Science

Universities, Polytechnic's and Colleges of Education Environmental Science Project Topics and Materials.

Law

Universities, Polytechnic's and Colleges of Education Law Project Topics and Materials.

Marketing

Universities, Polytechnic's and Colleges of Education Marketing Project Topics and Materials.

Physics

Universities, Polytechnic's and Colleges of Education Physics Project Topics and Materials.

Political Science

Universities, Polytechnic's and Colleges of Education Political Science Project Topics and Materials.

Public Administration

Universities, Polytechnic's and Colleges of Education Public Administration Project Topics and Materials.

How to login to NOUN Elearn Portal

You can now use you matric number to login as your username and  password in a lowercase.

https://elearn.nouedu2.net/login/

Note that you are to change your passw...

Facebook posts