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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
number of 4 to 16 line decoders required to get 8 lto 256 line decoder
Input Devices Keyboard Keyboard is the device through which the commands, instructions required for execution of a program is entered. It consists of a number of
Data Processing : Processing data is the most complex function of a computer system. It is where the computer itself (as opposed to a peripheral, e.g. a visual display unit or a p
algorithm to determine if a number is odd or even
Question 1 Explain the TCP/IP protocol layers Question 2 Write a note Fiber Distributed Data Interface (FDDI) Question 3 Discuss on File Transfer Protocol (FTP)
Design an ER diagram for an IT training group. The company has 12 instructors and can handle upto 100 trainees for each training section. The company offers 5 advanced technology c
Multi-valued Attribute DBMS Each multi valued attribute maps into a separate table. Include also an attribute for the primary key of the entity and relationship type which the attr
i need some explain quantity
even though most systems only distinguish among user and kernel modes, some CPUs provide multiple modes. Multiple modes could be used to provide a finer-grained security strategy.
-(9/14)log2(9/14)-(5/9)log2(5/9) calculate with solution.
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