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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
Consider the one-time pad encryption scheme to encrypt a 1-bit message m, and assume m is chosen with uniform distribution from message space M={0,1}. Let E1 be the event "message
Design a mod-6 counter using D flip-flops
draw the logic diagram of 2*4 decoder in only NOR gate .include enable inputs .
what is cai
write an algorithm and psuedo code for the operation of the cramer`s rule
Optical Fibres: Coaxial cables have limitations such as broadband transmission medium which can be overcome by the use of optical fibres. Optical fibres carry light waves (rep
Evolution of ERP The origin of using computers for business, traces the following line of story. Originally, they were designed to support the repetitive and time consuming fu
Following are some causes why we use threads in designing operating systems. A process with several threads makes a great server for instance printer server. For the reason that t
Keystroke logger and Data-stealing: Keystroke loggers: This is a program, once installed on the system, which intercepts the keys when entering the password or the Credit Ca
Digital Transmission: In digital transmission, wave patterns are translated into discrete bits and are separated by intervals. Bits (contraction for binary digits) are the sma
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