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National Open University Exam Past Question – CIT 742 Examination

NATIONAL OPEN UNIVERSITY OF NIGERIA CIT 742 Multimedia Technology

14/16, Ahmadu Bello Way, Victoria Island, Lagos

 

SCHOOL OF SCIENCE & TECHNOLOGY

 

Course Code:    CIT 742                                                                         Time:     3 hrs

 

Course Title:     Multimedia Technology

 

Course Credit Unit:   3

 

Instruction:       Answer any five (5) questions. Each question carries 14 marks

 

1a. Using examples explain the term multimedia applications                                               (5 Marks)

1b. Using examples describe five (5) components of a multimedia system                         (5 Marks)

1c. State four (4) challenges of a multimedia system                                                                (4 Marks)

 

2a. Briefly define colour                                                                                                                   (5 Marks)

2b. Define Chromatic                                                                                                                        (5 Marks)

2c. Describe the two basic lossy compression schemes                                                            (2 Marks each)

 

3a.What is multimedia compression?                                                                                           (5 Marks)

3b. List five (5) key issues that affect storage media                                                                 (5 Marks)

3c. List four factors that influence I/O performance                                                                 (4 Marks)

 

4a. Define Pixel                                                                                                                                  (5 Marks)

4b. Define multimedia compression                                                                                             (5 Marks)

4c. What factors determine the resolution of a monitor?                                                        (2 Marks)

4d. What does GIF stand for?                                                                                                          (2 Marks)

 

5a. Define Noise                                                                                                                                 (5 Marks)

5b. Define the following terms

  • Hypertext
  • Hypermedia

5c. Define Authoring System

 

6a. State and explain the theory of Digitization                                                                         (5 Marks)

6b. Explain lossless Compression                                                                                                   (5 Marks)

6c. list Four (4) typical lossless compression file format                                                           (4 Marks)

 

7a. Explain and describe using mathematical expressions discrete cosine transform       (7 Marks)

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