A2 Unit 4 - Information: Systems within
Organisations
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Assessment - by
examination (2 hour paper) - short answer, structured
questions and an essay
- 15% of the total A level mark
13.1 Organisational Structure
- Understand the basic concepts of organisational
structure as they impact on/affect ICT systems.
13.2 Information Systems and
Organisations
- Understand the difference between an information
system and a data processing system.
- Understand the role and relevance of an
information system in aiding decision making.
Definition of a management information system (MIS)
- Recall that an MIS is a system to convert data
from internal and external sources into
information. This is communicated in an
appropriate form to managers at different levels,
enabling them to make effective decisions for
planning, directing and controlling activities
for which they are responsible.
The development and life cycle of an information
system
- Recognise the existence of formal methods, the
need for clear time scales, agreed deliverables
and approval to proceed.
Success or failure of a management information system
- Understand the factors influencing the success or
failure of an information system, e.g. inadequate
analysis; lack of management involvement in
design; emphasis on computer system;
concentration on low-level data processing; lack
of management knowledge of ICT systems and
capabilities; inappropriate/excessive management
demands; lack of teamwork; lack of professional
standards.
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3.3 Corporate Information
Systems Strategy
- Describe the factors influencing an information
system within an organisation: organisation and
functions of management methods for planning and
decision-making, legal and audit requirement,
general organisation structure, responsibility
for the information system within an
organisation, information flow, hardware and
software, standards and behavioural factors, e.g.
personalities, motivation, ability to adapt to
change.
Information flow
- Describe the methods and mechanisms of
information flow within an organisation, both
formal and informal, and the constraints imposed
upon that flow by organisational structures.
Personnel
- Understand the levels of task/personnel within an
organisation: strategic; implementation;
operational. Relate the needs of these three
levels to the information system.
13.4 Information and Data
Data
Understand that data may require
translation or transcription prior to entry into
the system. This can affect the accuracy of the
data.
Discuss the impact of quantity
and quality of data on the method of data capture
together with the control and audit mechanisms
required to manage data capture.
Information
Understand management information
needs: the concept of relevance and methods of
interpretation.
Understand that information has
many characteristics and can be classified in
many ways. Examples include:
Source - internal,
external, primary, secondary
Nature - quantitative,
qualitative, formal, informal
Level - strategic,
tactical, operational
Time - historical,
current, future
Frequency - real-time,
hourly, daily, monthly
Use - planning, control,
decision
Form - written, visual,
aural, sensory
Type - disaggregated,
aggregated, sampled.
Discuss the value of information
in aiding the decision making process.
Understand the difference between
internal and external information requirements.
Describe the characteristics of
good information and delivery, e.g. relevant;
accurate; complete; user confidence; to right
person; at right time; in right detail; via
correct channel of communication; understandable.
Describe the advantages and
characteristics of good information within an
applications context.
Effective presentation
13.5 The Management
of Change
Understand that the introduction
or development of an information system will
result in change which must be managed. Changes
could occur in relation to re-skilling, attitude,
organisational structure, employment pattern and
conditions, internal procedures.
13.6 Legal Aspects
Understand the need for a
corporate information system security policy and
the rôle it would fill within an organisation.
Factors could include prevention of misuse,
detection, investigation, procedures, staff
responsibilities, disciplinary procedures.
Describe the content of a
corporate information system security policy.
Describe methods of improving
awareness of security policy within an
organisation, cross-referencing to training and
standards.
Audit requirements
Understand that many information
systems are subject to audit.
Understand the impact of audit on
data and information control.
Describe the need for audit and
the role of audit management/software tools in
information systems.
Understand the function of audit
trails and describe applications of use, e.g.
ordering systems; student tracking; police
vehicle enquiries.
Disaster recovery management
Describe the various potential
threats to information systems, e.g. physical
security; document security; personnel security;
hardware security; communications security;
software security.
Understand the concept of risk
analysis.
Understand the commercial need to
ensure that an information system is protected
from threat.
Describe a range of contingency
plans to recover from disasters and relate these
to identified threats.
Describe the criteria used to
select a contingency plan appropriate to the
scale of an organisation and installation.
Legislation
Understand that implementation of
legislation will impact on procedures within an
organisation.
Describe the methods of enforcing
and controlling data protection legislation
within an organisation.
Describe the methods of enforcing
and controlling software misuse legislation
within an organisation.
Describe the methods of enforcing
and controlling health and safety legislation
within an organisation.
Discuss the implications of the
various types of legislation.
13.7 User Support
Describe the ways in which
software houses provide user support, relating
these to cost and package credibility.
Describe the range of user
support options available with industry standard
packages. These could include existing user base,
support articles, utilities, specialist bulletin
boards, communications systems, e.g. Internet;
e-mail.
Select and justify an appropriate
user support system for a particular context.
Explain the need for different
levels of documentation related to user and task.
Training
Explain the need for different
levels of training related to user and task.
Understand the need for continual
skill updating and refreshing.
Describe the methods by which
users can gain expertise in software use and
discuss the relative merits.
Understand the need to develop
training strategies to respond to growing user
awareness.
13.8 Project
Management and Effective ICT Teams
Understand why projects are often
sub-divided into tasks and allocated to teams.
Describe the characteristics of a
good team, e.g. leadership; appropriate
allocation of tasks; adherence to standards;
monitoring; costs; control.
13.9 Information
and the Professional
Discuss the social, moral and
ethical issues associated with the introduction
and use of information and communication
technology systems, which affect a professional
working within the industry.
Understand that codes of
practice exist which are separate from any
legal requirements with which professional
organisations are expected to comply.
Understand the need for a code of
practice for ICT users in an organisation.
Employee code of conduct
Understand what is meant by an employee code of
conduct, e.g. responsibilities; authorisation;
security; penalties for misuse.
Describe the contents of such a
code of conduct.
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