Question :

(a) You want to perform the task of sending an e-mail message to three of your friends. You can assume that the email addresses, of the people you want to send the e-mail to, are already in your address book.

(i) Provide a GOMS description of the procedure.
(ii) Provide a Hierarchical Task Analysis of the same procedure.

(b) The university is putting in place a new library system that should improve the efficiency of the resource centre. You are to use CUSTOM to identify the requirements of the different stakeholders. Classify the following roles according to the different stakeholder categories available for CUSTOM.

• Students
• Librarians
• Lecturers
• Head of School
• Programmers
• Registrar
• Chairman of School board