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London School of Economics and Political
Science (LSE)
Modules
37
Computer-based information systems
This unit cannot be taken with 60 Introduction
to information systems.
The syllabus offers an introduction to
computers and information technology with a focus that emphasises the
role that such technology takes within organisations as part of designed
and managed information-handling procedures. No previous study of computers
or information systems is assumed.
Information technology concepts:
Review of history of computer development. Introduction to computer
hardware (processor, memory, storage devices). Principle features of
contemporary computers (microcomputers, workstations, minicomputers,
mainframes, supercomputers). Communications technologies, local and
wide area networks. Representation of information in a computer, files
and databases, storage devices. Operating system software, application
packages, programming languages and programming environments.
Information systems concepts: Notions
of information and data. Capture, storage, transmission and display
of data. The use of information in management and decision-making. Systems,
ideas, from hard and closed systems to soft and open systems. Computer-based
information systems found within organisations, including transaction-processing
systems, management information systems, decision support systems, CAD/CAM
applications, office automation systems, planning and control systems.
The economic and social issues raised by increased utilisation of computer-based
information systems.
Information systems management:
An organisational perspective on the role of information and information
systems. Information systems strategies and information systems planning.
Information systems management. The role and organisation of the information
systems function within organisations. Professional roles and the relationship
with users. The security and integrity of information systems.
Systems development: The information
systems development life cycle – feasibility, analysis, design,
construction, changeover, operation. Determining information requirements.
Introduction to structured development methodologies. Prototyping and
evolutionary approaches. The use of packaged software contrasted with
bespoke development. Design criteria for successful applications. Professional
and other roles in systems development. Implementation of information
systems and issues of the management of change.
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