NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
MARCH/APRIL 2014 EXAMINATION

COURSE CODE: CIT 467

COURSE TITLE: VISUAL PROGRAMMING LANGUAGE

TIME ALLOWED: 3 HOURS

INSTRUCTION: ANSWER 5 QUESTIONS

1a. What is Visual Programming Language?  (6 marks)

b. Distinguish between Visual Programming Language and any other type of Programming Language   (8 marks)

c. List three (3) examples of VPL    (6 marks)

2. What is Java?     (5marks)

b. List and explain why Java is preferred to other languages (at least 3 points)     (9 marks)

c. List any three (3) uses of Java   (6 marks)

3a. What is the work of HTTP?    (5 marks)

b. Distinguish between the Internet and WWW (at least 3 points)  (9 marks)

c. List three (3) examples of Object - Oriented Programming      (6 marks)

4a. How would you explain Object - Oriented Programming to a layman                                (4 marks)

b. Enumerate four features of Object-Oriented Programming                                    (8 marks)

c. List and explain four (4) advantages of Object-Oriented Programming                                (8 marks)

5a. Describe Tags in HTML    (4 marks)

b. List and explain five (5) uses of HTML tags  (10 marks)

c. Compare and Contrast ARK and Programs    (6 marks)

6a. Describe headings in HTML    (6 marks)

b. Distinguish between physical and Logical markup tags   (8 marks)

c. List three (3) uses of Markup tags    (6 marks)

7a. Describe a Software object      (7 marks)

b. List five features of HTML    (5 marks)

c. List four (4) examples of OOP   (8 marks)