50 likes | 214 Views
Computer Risks: “German Stock Exchange Bond Futures Goof”. Presented by the Digi-Ice Team -Ahmed Abdel-Aty -Ognjen Jovanovic -Sophia Lalani -Allison Smedley. Introduction: What went wrong?. Junior trader working in a financial institution accidentally pressed wrong buttons on his computer
E N D
Computer Risks:“German Stock Exchange Bond Futures Goof” Presented by the Digi-Ice Team -Ahmed Abdel-Aty -Ognjen Jovanovic -Sophia Lalani -Allison Smedley
Introduction: What went wrong? • Junior trader working in a financial institution accidentally pressed wrong buttons on his computer • This generated a message on the screens at the stock exchange, claiming that someone wanted to sell £11.5 billion worth of German bonds • The trader’s employers must carry out the transaction, by law
HCI Principles Involved • Poor mapping of buttons • Delayed and/or inadequate feedback
HCI Principles Applied • Nielsen: • Make system status visible to user • Incorporate error prevention techniques • Help users recognize, diagnose, and recover from errors
Resolution of problem • Problem resolution - unknown • Assumption - the financial institution modified their system to include: • Better feedback mechanisms • Error prevention • Improved button mappings