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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
QUESTION (a) Consider the graph below, use the Flow Decomposition technique to list the cycles and paths produced. (b) Pr
Software interruptions can be thoroughly activated by the assembler invoking the number of the preferred interruption with the INT instruction. The use of interruptions aids us in
Earlier than anything we must describe the file transfer area or DTA. With the intention of sequentially read we use the 14H function of the 21Hinterruption.The register to be read
function of electrostatic plotter
Bandwidth: Bandwidth is the second concept important for transmission. This concept can be explained with the help of the traffic network mentioned earlier. If there is a two-
QUESTION (a) Compare the adapter pattern with the façade and decorator patterns. (b) Illustrate a two-way adapter pattern. (c) Describe 3 components of a pattern. (d)
Question 1 Convert the following hexadecimal numbers to base 2 (D73)16 (A21)16 Question 2 Convert the following binary numbers to base 16 (11001011)2 (11
VDU (Visual Display Unit) output Make sure that VDUs are of an appropriate type. They can cause severe eyestrain and tension if you do not check: (a) Colour (
You can also allocate a single value to several variables at the same time. For instance: X=y=z =1 Now, an integer object is generated with the value 1, and all three variables are
Question 1 Briefly explain the classification of the computers Question 2 What is arithmetic logic unit? How it is helpful in CPU? Question 3 How do you install a
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