Saturday, September 25, 2010

Strategic Decision Making (Week 3)

Define TPS & DSS, and explain how an organisation can use these systems to make decisions and gain competitive advantages
Transactional Processing Systems (TPS) are systems that automate transactions, most commonly, EFTPOS/Payroll/MYOB. These systems are used at lower levels of organisations as they are the basis for analytical systems.
Decision Support Systems (DSS) are used at higher levels of organisations, they help managers make decisions particularly in relation to more complex problems. DSS provide data for analysis in an organisation, and through the use of complex modelling, also allow managers to solve business issues more efficiently. 

Describe the three quantitative models typically used by decision support systems.
There are 3 quantitative models used by Decision Support Systems include: 
Sensitivity Analysis which is the study of the impact that changes in one part of the model has on other parts of the model. If the model is sensitive then a company could expect to see a decline in sales.


What-If Analysis checks the impact of a change in a proposed solution. 


Goal-Seeking Analysis finds the inputs necessary to achieve a goal. This model looks to the end result and works backward to achieve the final goal.

Describe a business processes and their importance to an organisation.
A business process is a standard set of activities that accomplish a specific task, such as processing a customer order.


An organisations business processes must be studied, understood and continuously improved because an organisation is only as effective as their employed processes.




Compare business process improvement and business process re-engineering.


Business process improvement deals with a continuous improvement model which attempts to understand and measure the current process to implement improvements accordingly.


Business re-engineering on the other hand, is the analysis and redesign of workflow within and between the business. Business re-engineering assumes the current process is irrelevant or does not work and starts building from scratch.




Describe the importance of business process modelling (or mapping) and business process models.


Business process modelling (BPM) is the activity of making a detailed flowchart or process map of work processes. BPM is important as it aims to show process details in a gradual and controlled manner. 


Business process modelling and business process models, bring visibility to technology, encourage consciousness of what people are doing in a business and enable analysis. 


Wednesday, September 22, 2010

Information Systems In Business (Week 2)





Explain information technology’s role in business and describe how you measure success
Information technology is an enabler of business. It facilitates communication and increases business intelligence. It allows for automated processing which improves productivity and accuracy, reduces costs, assists with quality decision making and the speed at which decisions are made. 
Success is measured through the efficiency and effectiveness metrics. 
Efficiency IT metrics measure the performance of the system itself which include throughput, speed and availability. These metrics are able to answer questions such as, how fast the system is, how many transactions per hour and how much capacity the system has. 
Effectiveness IT metrics measure the impact IT has on business activities and processes by considering customer satisfaction and conversion rates. 
Primarily, efficiency focuses on the extent to which an organisation is using its resources while effectiveness focuses on how well an organisation is achieving its goals and objectives. 

List and describe each of the forces in Porter’s Five Forces Model
Michael Porter developed the Five Forces Model which is a useful tool to aid in understanding competition and its implications for business strategies. 

1. Buyer Power
The power of buyers is reflected by their ability to directly impact the price they are willing to pay for an item. Buyer power is high when buyers have many sellers to chose from and low when their choices are few. 
2. Supplier Power
Supplier power is high when one supplier has concentrated power over an industry. When supplier power is high, the supplier can directly influence the industry by charging higher prices and limiting services or quality.
3. Threat of Substitute Products or Services
The threat of substitute products or services is high when there are many alternatives to a product or service and low when there are few alternatives.
4. Threat of New Entrants
The threat of new entrants is high when it is easy for new competitors to enter a market and low when there are significant barriers to entering a market. 
5. Rivalry Among Existing Competitors
Rivalry among existing competitors is high when competition is fierce in a market and low when competition is more settled. 

Describe the relationship between business processes and value chains
Value chain analysis is used to determine the success or failure of an organisation's chosen strategy. Business processes are a standardised set of activities that accomplish a specific task and a value chain views an organisation as a series of processes, each of which add to the product or service. 
Primary value activities acquire raw materials and manufacture, market, sell and provide after sales services. Support value activities support the primary value activities. 
Improving primary activities can decrease the threat of substitutes and improving support activities can decrease the threat of new entrants. 

Compare Porter’s three generic strategies
Porter's three generic strategies are:
1. Broad cost leadership
2. Broad differentiation
3. Focused strategy
Focused strategies target a niche market while broad strategies target a large market segment. A focused strategy ideally concentrates on either cost leadership or cost differentiation. 
Porter suggests that an organisation is wise to adopt only one of the three generic strategies in order to succeed.