NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER 2019 EXAMINATION

COURSE CODE: CIT463
COURSE TITLE: INTRODUCTION TO MULTIMEDIA TECHNOLOGY
COURSE CREDIT: 3 UNITS
TIME ALLOWED: 2½ HOURS
INSTRUCTION: ANSWER QUESTION 1 AND ANY OTHER FOUR (4) QUESTIONS

1a) What do understand by multimedia software? (2 marks)
b) List FOUR (4) functions of multimedia software (4 marks)
c) How is videoconferencing different from videophone call (1 mark)
d) Enumerate two types of dedicated videoconferencing devices (3 marks)
e) Identify the differences between an analogue audio and a digital audio (3 marks)
f) State three challenges of using colour? (3 marks)
g) Describe the types of network architecture, you have studied. (6 marks)

2a) Explain the concept of video conferencing (4 marks)
b) What are the components required for a videoconferencing system (5 marks)
c) ATM is an attempt to meet the requirements of three different types of network traffic. Name them and give an example of each. (3 marks)

3a) What do you understand by Chromatics? (3 marks)
b) Describe the characteristics of the following types of computer network:
i) Metropolitan Area Network (MAN) (3 marks)
ii) Wide Area Network (WAN) (3 marks)
iii) Local Area Network (LAN) (3 marks)

4a) Briefly explain the process of creation of digital audio (4 marks)
b) Write short notes on the following major forms of multimedia hardware:
i) DVD (4 marks)
ii) USB (4 marks)

5a) Write short notes on the following topologies giving advantage(s) of each. Draw diagram where necessary.
i) Ring (5 marks)
ii) Mesh (5 marks)
b) Give eight (8) areas in which multimedia system is applicable (2 marks)

6a) State six (6) essential features desirable to multimedia system (9 marks)
b) Enumerate the benefits of using colour (3 marks)