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NATIONAL OPEN UNIVERSITY OF NIGERIA
UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
MARCH/APRIL 2016 EXAMINATION
COURSE CODE: CIT 353
COURSE TITLE: Introduction to Human-Computer Interaction
DURATION: 2½ Hours
INSTRUCTIONS: Answer any Four (4) Questions
1a. Assuming you were employed in an IT firm as a Human Computer Interaction expert.
With the aid of a table, show how you would re-frame the following standards so that
they are more suitable for implementing your organisation’s projects:
(i) Feedback (ii) Structure (iii) Affordance
(iv) Simplicity (v) Tolerance 2 marks each = 10 marks
1b. Enumerate all the design principles proposed by Norman 7 marks
1c. Name the paradigm that represents a symbiosis of the electronic and physical worlds ½ mark
[Total = 17 ½ marks]
2a. Give a concise explanation of the following:
(i) Customizability (ii) Dialogue initiative (iii) Responsiveness
(iv) Substitutivity (v) Task migratability (vi) Task conformance 2 marks each = 12 marks
2b. Name the five (5) usable senses. 5 marks
2c State the first paradigm in the history of interactive technology ½ marks
[Total = 17 ½ marks]
3a. Chord keyboards have been observed to have five (5) distinctive features. State these features. 5 marks
3b. What is the principle role of a touch-sensitive screen? 2 marks
3c. Write down 2 merits and 2 demerits of a touch-sensitive screen. 8 marks
3d. Within the context of Human-Computer Interaction, give the full meaning of the following acronyms:
- CRT ½ marks
- UIMS 1 mark
- WAP 1 mark
[Total = 17 ½ marks]
4a. Give a brief description of the following terms associated with speech and sound:
(i) Syntax (ii) Morphemes (iii) Earcons
(iv) Allophones (v)Prosody (vi) Co-articulation 12 marks
4b. Write down any five (5) merits of the design rationale. 5 marks
4c. What does the acronym UCD represent in Human-Computer Interaction? ½ marks
5a. Write down what the following acronyms represent from the standpoint of Human-Computer Interaction:
(i) DVST (ii) TCP (iii) WIMP (iv) WYSIWYG
(v) HTTP (vi) ESTA (vii) CATWOE 1 mark each = 7 marks
5b State any five (5) health hints to be observed while using display devices. 10 marks
5c. Provide a simple term for touch, feel and smell devices. ½ marks
[Total = 17 ½ marks]
6a. Write down the source code of a classic read-evaluation loop for a client application. 11 marks
6b. What is the significance of the experimental design principle? 2 marks
6c Give four (4) key reasons why the conceptual architecture is considered beneficial. 4 marks
6d. Name the paradigm that provided opportunity for personal computing. ½ mark
[Total = 17 ½ marks]
