IT: device to device communication by The Open University

Author:The Open University
Language: eng
Format: azw3
Publisher: The Open University
Published: 2018-02-28T16:00:00+00:00

Issues about usability include questions such as:

How easy is it to install, set up and maintain the technology?

How easy is it to use?

What is the quality of product support?'

Again, it is beyond the scope of this course to compare these issues for WiFi and Bluetooth, but points to consider would be how easy it is to access the network and connect to other devices.

5.7 Structuring information

As you completed the table in Activity 20 you were probably skipping back and forth between the sections on 'WiFi' and 'Bluetooth' in Section 4. Did you notice that we used a rather different way of presenting our discussion in these sections? This was quite deliberate, because we want to investigate how these different approaches affect the way you extract information from written material.

You probably found it rather easier to search for and identify the information you needed about WiFi. The explanation was divided into different sections, and each had a clear heading. Because a few of the headings (e.g. 'WiFi data rates and operating range', and 'WiFi network structure' correspond quite closely to the row headings in Table 3, you would have been able to home in on what you wanted. Even where there wasn't such a direct link, the headings themselves provide a strong clue about the content of that section (e.g. 'WiFi stations').

The Bluetooth section is short, and this is why we decided not to use the same section headings that we used for WiFi. We felt this would have produced a very 'staccato' effect with some sections only a few words in length. The lack of section headings meant that there were no strong visual cues, and you may have found yourself having to scan the section two or three times to extract what you needed. Even so, I hope you found this to be a fairly easy task because of the way I had structured the information using paragraphs.

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