Page 257 - DMGT505_MANAGEMENT_INFORMATION_SYSTEM

Management Information Systems

Notes Requirements of the new library management system on computer:
 The form which is used for entering information of documents must be convenient and
easy to use. The number of each document (include books and magazines) must be
automatically built base on their information.
 The documents can be looked up in many fields such as: document name, author name (for
books), volume of document (for magazines), speciality of documents, collection of
documents, master keyword, slave keyword, and so on. The speed of looking up documents
must be fast and easy to use.
 Manage readers of the library with their departments in such a way that it is a simple task
to reports and easy for managing and searching.

 The new library management system on computer has to make many complicated reports
for serving the library management process.

 Readers can look up for documents on their computers which are connected to the library’s
computer (through LAN ) instead of going to the library and searching for them on the
library cards.

Self Assessment

Fill in the blanks:

10. ................................... is a modern approach to different analysis and design phrases of the
system development process.
11. In ................................... model, each phase can be assigned to a group of experts.

12. In spiral model, the system development process is divided into different steps and
smoothened after ................................... steps, the system becomes more perfect.

13.5 Systems Design

Systems analysis describes what a system should do to meet information requirements and
system design shows how the system will fulfill this objective. The design of and information
system is the overall plan or model foe that system. Like the blueprint of a building or house, it
consists of all the specifications that give the system its form the structure.
The system designer details the system specifications that will deliver the functions identified
during systems analysis.

!
Caution The specifications of system design should address all of the management
organizational and technological components of the system solution.

13.5.1 The Role of End Users

User information requirement drive the entire system-building effort. User must have sufficient
control over the design process to ensure the system reflects their business priorities and
information needs, not the biases of the technical staff.

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