1. (a) Draw 0-level, 1-level and 2-level DFD’s
depicting the various processes, data flow
and data repositories for a retail ready-made
garment stores. Follow the appropriate
conventions/ symbols.
(b) What are the objectives of preliminary
investigation ? List and explain the methods
to gather the data during the preliminary
investigation.
(c) Explain various types of feasibility studies
that the analyst should consider.
(d) Draw a decision table for any task and
explain all the five sections of it.
2. (a) Design and illustrate a Nassi – Schneiderman
(N.S.) chart for processing pay – roll cheques
(b) Explain the necessary consideration and
conditions in selecting the data storage
media for a S/W project.
3. (a) Explain the Information support and nature
of management for the following systems :
(i) Office Automation Systems
(ii) Transaction processing systems.
(b) List and explain at least seven considerations
for the input design.
4. (a) Explain the Indexed – file organisation
method. List the advantages and
disadvantages in comparison with the
sequential and random methods.
(b) Discuss, under which conditions, the
prototypes are considered to be very useful
and how ?
5. (a) List at least seven advantages of using the
Data – centres instead of an in-house
computer facilities.
(b) Explain the following categories of project
documentation :
(i) Operations Documentation.
(ii) User Documentation.
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