TABLE OF CONTENTS

1 INTRODUCTION 5

1.1 Purpose 5

1.2 Scope 5

1.3 Definitions, Acronyms, and Abbreviations 5

1.4 References 6

1.5 Overview 6

2 MY BACKGROUND 7

3 FILE SPLITTER AND JOINER V3.X 8

3.1 What is FFSJv3.x? 8

3.2 What task does this software perform? 9

3.2.1 Splitting 9

3.2.2 Joining 11

3.2.3 MD5 Checksum 13

3.3 Present one way in which this software is usable for me 14

3.3.1 Summary of this software usability 14

3.3.2 Why it is usable for me 14

3.4 How would someone else find this product difficult to use? 17

3.5 How could this difficulty be resolved? 18

4 KANA TUTOR V4.2 18

4.1 What is Kana Tutor v4.2? 18

4.2 What task does the software perform? 18

4.3 Present one way in which this software is difficult for you to use? 22

4.3.1 Summary of this software usability 22

4.3.2 Why it is not usable for me? 23

4.4 How could this difficulty be resolved? 25

4.5 How would someone else find this software easy to use? 26

5 CONCLUSION 27