NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
SEPTEMBER 2020 EXAMINATION

CIT 353 -Introduction To Human Computer Interaction

Credit: 2 units

TIME ALLOWED: 2 Hours

INSTRUCTION: Answer Question 1 and any other FOUR (3) Questions

1a) Explain any 6 major innovations related to the history of paradigm shifts in HCI (9 marks)

b) In a tabular form, identify the advantages and disadvantages of touch-sensitive screen as an input device (6 marks)

c) Outline 5 important health tips to observe when using VDU (5 marks)

d) Briefly summarize 6 basic elements of the WIMP interface you know ( 3 marks)

e) Describe any two ways through which widgets can be identified (2 marks)

2a) Identify the common interaction styles known to you (7 marks)

b) Mention any 4 scientific methods of conducting research in human-computer interaction (6 marks)

c) Distinguish between menus and dialog boxes (2 marks)

3a) Mention the basic challenges inherent in speech recognition systems (6 marks)

b) Describe the various text storage formats known to you (9 marks) Answers:

4a) Enumerate the issues to consider in order to design an effective menu (5 marks)

b) Discuss the various aspects of Context Analysis known to you (10 marks)

5a)Mention any 6 devices used by the elderly and the disabled in human computer interaction (6 marks)

b) Explain the acronym CATWOE (9 marks)