AS Unit 1
- Information:
Nature, Role and Context
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Assessment - by
examination (1¾ hour paper) - short answer and
structured questions
- 30% of the total AS mark
- 15% of the total A level mark
10.1 Knowledge, information and
data
- Understand the distinction between knowledge,
information and data. Information has context and
its meaning is determined by the context.
- Understand the nature of data: recorded facts,
events or transactions.
- Understand the different ways in which data can
arise: (direct capture or as a by-product of
another operation).
- Describe the effect of the quality of the data
source on the information produced.
- Understand the need to encode information as
data.
- Understand the problems associated with the
coding of value judgements.
10.2 Value and importance of
information
- Understand that information is a commodity and as
such can have a monetary value, the level of
which depends on its accuracy, its potential use
and its particular intended use.
- Describe the overheads involved in ensuring that
information is up-to-date.
10.3 Control of information
- Describe the legal rights and obligations on
holders of personal data to permit access.
Understand that the sale of entitlement to access
to data may mean paying for a more convenient
form of access, the right of which already
exists. Understand that files on individuals and
on organisations that are non-disclosable have
commercial value.
10.4 Capabilities and
limitations of information and communication technology
- Understand that ICT systems offer fast repetitive
processing, vast storage capability, the facility
to search and combine data in many different ways
which would otherwise be impossible. This can
provide quality information.
- Understand that the response speed of technology
within ICT systems facilitates the use of
feedback, e.g. maintenance of optimum stock
levels, electronic fund/money management systems.
- Understand that there are limitations in the use
of ICT systems and in the information they
produce. Factors could include hardware, software
and communications limitations in addition to
inappropriate data models and data control
mechanisms.
10.5 The social impact of
information and communication technology
- Explain the benefits and drawbacks of the use of
information and communication technology in
manufacturing, industry, commerce, medicine, the
home and education and teleworking.
10.6 Role of communication
systems
- Explain the use of global communications between
single or multiple sources and recipients,
including public networks such as the INTERNET.
- Describe the hardware, software and services
required to access the Internet.
- Describe the facilities offered and the relative
merits of: telephone, fax, e-mail,
teleconferencing, viewdata, teletext, remote
databases and other relevant communication
systems.
- Explain the use of the Internet for a range of
activities including communication, information
searching and information publication.
- Candidates should be aware of the recent
developments in the area of communication
systems.
10.7 Information and the
professional
- Recall the personal qualities and general
characteristics necessary for a person working
effectively within the ICT industry and as part
of an ICT team.
10.8 Information systems
malpractice and crime
- Explain the consequences of malpractice and crime
on information systems.
- Describe the possible weak points within
information technology systems. Describe the
measures that can be taken to protect information
technology systems against internal and external
threats.
- Describe the particular issues surrounding access
to, and use of the Internet; e.g. censorship,
security, ethics.
10.9 The legal framework
This section applies to current British legislation
and its relationship to the Council of Europe Convention
directives.
- Software and data misuse
- Describe the anti-hacking provisions of
the Computer Misuse Act.
- Describe the principles of software
copyright and licensing agreements.
- Data protection legislation
- Recall the nature, purpose and provisions
of the current data protection
legislation of the Public Register.
- Recall the type of data covered and
various exemptions from the legislation.
- Recall the definitions of processing and
consent to process.
- Explain how the requirements of the
legislation impact on data.
- Collection and use.
- Describe the obligations of data users
under the legislation.
- Recall the rights of individuals under
the legislation.
- Recall the role of the Registrar in
encouraging good practice, acting as
Ombudsman and enforcing legislation.
10.10 Health and Safety
- Describe the provisions of the current health and
safety legislation in relation to the use of
information systems.
- Recognise that health and safety guidelines cover
the design and introduction of new software.
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