Module 15 - Types of Information Systems Flashcards
Office automation system
Underlying support system in a business which helps to ensure that there is more efficient day-to-day work
Transaction processing system
a system used to record business transactions
Management information system
Systems used by management to analyse data and provide information which can help make decisions in the business - becoming more cloud based
Decision support system
Predominantly used by management but used for specific decisions not general use - tend to use more data analytics - can ask whatever questions they want
Executive information systems
Used by the most senior people, more high-level info as decisions are less routine and more strategic - more graphs and charts etc
Client database
All info for specific client stored together including fee billing, WIP and correspondence
Communication device
any device which allows the communication of data between different devices or computer systems
Byte
made up of eight ‘bits’ with a bit being a representation of the state of a circuit
Network
two or more computers connected together
LAN
local area network - sharing of computing resources for a home, office or building. More commonly known as an intranet
WAN
Wide area network - links up several LANS, network on a national scale
Internet
Largest network which links up all WANs at country level
Types of software
application or system - coordinated by middleware
Open source software
freely shared and downloadable
proprietary software
Must purchase license to use - known as ‘software as a service’
Language
how programs are written, made up of a set of rules which tell the program how to respond to certain inputs
Most common language used in finance
iXBRL - standard, electronic way of defining and exchanging financial info
UML
unified modelling language - tool used by developers to create an abstract model of what a system will look like
Protocol
Rule which is in place for writing software
Structured data
easily readable and understandable by machines - easily searched and manipulated
Unstructured data
Completely ad-hoc, isn’t understandable or consistent and can be difficult to interpret
ERP
Enterprise resource planning- finding a way for systems to interact and for processes to become as streamlined as possible - often requires restructuring
ERS
Enterprise resource systems - combine all the requirements of a company into one easy to use system
