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: CIT 742

COURSE TITLE: MULTIMEDIA TECHNOLOGY

CREDIT: 3 UNITS

TIME ALLOWED: 2½ HOURS

INSTRUCTION: ANSWER QUESTION ONE AND ANY OTHER FOUR QUESTIONS

Question One

1a i. How do Users experience Hypermedia? [1 mark]

ii. Explain, in clear terms the concept of Hypertext [1 mark] .

iii. State TWO main purpose of the Multimedia System [1 mark]

1b. i. Enumerate the FOUR characteristics of a Multimedia System.[2 marks]

ii. Outline some standard noise forms associated with Image Digital Signal Processing Systems. [1 mark]

iii. What is the idea of Histogram Equalisation?[1 mark]

1c. i. Write a concise notes on the Histogram of an Image. [3 marks]

ii. Explain vividly the history of multimedia. [3 marks]

1d. i. What do you understand by the term Video in Multimedia Technology [2 marks]

ii Briefly explain Contrast Stretching. [1 mark]

1e. i. What are the features that could be used to describe Image Restoration? [2 marks]

ii. Give a brilliant discussion of the term Multimedia [4 marks]

Question Two

2a. i. Elucidate on the Multimedia Application. [2 marks]

ii. How did the German Language Society, Gesellschaft fur Deutsche recognize the word’s (Multimedia’s) significance and ubiquitousness in 1990s? [2 marks]

2b. i. What are the key issues that Multimedia System need to deal with? [2 marks]

ii. Write a brief notes on Hypermedia [6 marks] 

Question Three

3a. i. When can someone be said to be experiencing Multimedia?[2 marks]

3a. ii. Give a concise description of Noise in image digital processing systems. [3marks]

3b. i. Critically describe the process of Image Analysis and give ONE common application of the Histogram[3 marks]

3b. ii. Explain Two-dimensional Discrete Fourier Transform (DFT).[4 marks]

Question Four

4a. i. Enumerate TWENTY examples of Multimedia Applications[5 marks]

4a. ii. Explain the term, Interactive Multimedia.[2 marks]

4b. i. Discuss TWO examples of streamed audio (and video)[2 marks]

4b. ii. Describe the concepts of Mathematical and Wavelet Transformation. [2 marks]

Question Five

5a. i. Give a brief explanation of FOUR LOSSY methods applied to audio compression. [4 marks]

5a. ii. Describe FOUR Typical Lossless Comprehension “Graphics” File Formats. [2 marks]

5b. i. Give a brilliant expression of the term Transform Coding. [2 marks]

5b. ii. Discuss the methods that are related to Human Hearing and Voice. [4 marks]

Question Six

6a. i. When is Interactive Multimedia said to become Hypermedia?[1 mark]

6a. ii. Describe in details JPEG Encoding[4 marks]

6b. i. Explain the two basic Lossy comprehension schemes: [4 marks]

6b. ii. Describe exclusively, Multimedia Compression. [3 marks]