Erstellt von Aidan Magee
vor mehr als 8 Jahre
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Main features of a relational database
Data consistency
Data inconsistency
Data independence
Data integrity
Data redundancy
Flat file
Disadvantages of flat file
Purpose of normalisation
Normalisation
Advantages of normalisation
Primary Key / Key attribute
A composite key
A foreign key
Entity
ER Model
DBMS
Role of the database administrator (DBA);
Facilities provided by a DBMS for end users
How does the DBMS improve the quality of the organisation’s information
Strategic Decision Making
Tactical Decision Making
Operational Decision Making
Internal sources of information
External sources of information
Purpose of MIS
Features of MIS
Advantages of MIS
Disadvantages of MIS
Expert System
How is Expert System constructed
Expert system
Advantages
Expert system
Disadvantages
Decision Support System (DSS)
Definition
Decision Support System (DSS)
Features
Decision Support Systems
Advantages
Decision Support Systems
Disadvantages
Potential threats to the security of data
Disaster Recovery Planning
Backup and Recovery strategies
Real time
Backup and Recovery strategies
Every month / Batch:
Client server
Client server
Advantages
Client server
Disadvantages
Peer to peer network
Peer to peer network
Advantages
Peer to peer network
Disadvantages
Distributed database
Features
Advantages of distributed database
Disadvantages of distributed database
Centralised database
Features
Centralised database
Advantages
Centralised database
Disadvantages
Wireless Communication
Advantages
Wireless Communication
Disadvantages
Mobile technology
Need for communication standards
Open Systems Interconnection (OSI)
Checksum
Echo checking
Parity bits
Firewall
Access rights
Username and password
Data encryption
Accounting software
Auditing software
RAD
Rapid Application Development
Waterfall life cycle method
Role of the end user in waterfall method
Prototyping
Role of the ICT developer in system development
Role of the End User in system development
Need for documentation
Technical Documentation - contents
User Documentation- contents
CASE Tools
Graphics / modelling tool
CASE Tools
Project management tool
CASE Tools
Code generator
CASE Tools
Data dictionary generator
CASE Tools
Interface generating tool
Custom built / in house development
Custom built / in house development
Advantages
Custom built / in house development
Disadvantages
Off the shelf
Off the shelf
Advantages
Off the shelf
Disadvantages
Outsourcing
Outsourcing
Advantages
Outsourcing
Disadvantages
Alpha testing
Beta testing
Acceptance testing
Processes of review and software maintenance
Features of a well designed HCI
(human computer interaction)
Purpose of user interface
Command line
Command line
Key Terms
Form driven
Natural language
GUI
How a GUI assists experienced users
Dialogue
Psychological factors which influence human interaction
with a computer system
Support available to the user of an information system:
User guides
Advantages of electronic user guide over printed manual
User guide - Contents
Help Desk
User group
The use of ICT based resources for training and re- skilling of employees
Online course
The use of ICT based resources for training and re- skilling of employees
Interactive DVD
Video conferencing
Advantages of
Video conferencing
Computer Misuse Act
Data Protection Act
Limitations of the Data Protection Act
Role of Data Controller
Rights of the Data Subject
Copyright, Designs and Patents Act
The Health and Safety at Work Act
Implications of ICT legislation for an organisation, its employees and
members of the public
Eyestrain
Can be minimised by:
Repetitive Strain Injury (RSI)
Carpal tunnel syndrome
Backache
social, moral and ethical issues from the point of view of the
professional arising from the use of ICT
Acceptable use policy
moral and ethical implications of ICT in relation to professional bodies
British Computer Society (BCS)
Benefits of BCS
moral and ethical implications of ICT in relation to professional bodies
Association for Computing Machinery (ACM)
Benefits of ACM
Disadvantages of belonging to a professional body
Impact of the increasing use of ICT in the Service sector
Impact of the increasing use of ICT in the Manufacturing sector
Use of ICT on the employee:
Teleworking
Use of ICT on the employee:
Teleworking advantages for employees
Use of ICT on the employee:
Teleworking advantages
Disadvantages of teleworking