Module 14 Types of Information Systems Flashcards
1
Q
What are the 5 key types of systems?
A
- Office Automation Systems
- Transaction Processing Systems
- Management Information Systems
- Decision Support Systems
- Executive Information Systems
2
Q
Office Automation Systems
A
- underlying support system in a business which helps to ensure that there is more
efficient day-to-day work completed - simple word processing package, an integrated voicemail and email system or agile working systems such as Microsoft Teams
3
Q
Transaction Processing Systems
A
- record business transactions
- sales or purchasing systems
- Point-of-Sale system
- payroll system
4
Q
Management Information Systems
A
- used by operational management
- help make decisions in the business & monitor performance
- timesheets
5
Q
Decision Support Systems
A
- predominantly used by management
- make specific decisions when there is uncertainty about the outcome
- use more data analytics
- often used to create ‘what-if’ models
6
Q
Executive Information Systems
A
- used by the most senior people in an organisation
- high-level information
- decisions are strategic
- giving more summarised information in a form that is friendly to users such as graphs and charts
7
Q
A byte
A
8 bits
8
Q
Local Area Network
A
- sharing of computing resources for a home, office or building
- commonly known as an intranet
9
Q
Wide Area Network
A
- links up several LANs and is used to describe a network on a national scale
10
Q
Virtual Private Network
A
- share information with other network users by a private, exclusive link that does not use permanent hard-wires
- prevents access by unauthorised users
11
Q
The Internet
A
- largest network, linking up with other networks
12
Q
Centralised network
A
- central mainframe computer with processing power linked to terminals which lack processing or storage capabilities
13
Q
Distributed network
A
- majority of the processing power is held on personal computers throughout the organisation
14
Q
Cloud computing
A
- offering shared networks, servers, applications and other resources to computers and other devices as a utility over a network
15
Q
Common language used in finance
A
iXBRL
16
Q
Unified Modelling Language (UML)
A
- tool used by developers to create an abstract model of what a system will look like.
17
Q
Enterprise Resource Systems
A
- systems to interact with each other and for processes to become as streamlined as possible
- update inventory, print an invoice, incorporate the sale into accounting records and sales ledger and prompt the order of more inventory
18
Q
Advantages of ERS
A
- promoting communication across the organisation, greater collaboration and synergies
- more flexible
- help in the removal of inefficiencies
19
Q
Disadvantages of ERS
A
- must re-organise their structure
- retrain staff which can cause conflict
- very costly
20
Q
4 key elements Straight-Through Processing
A
- electronic processing of transactions
- obstacle-free communication
- concurrent information exchange
- real-time processing
21
Q
Straight-Through Processing
A
- automated process done solely through electronic transfers with no manual interventions involved
