A hardware firewall is a device that is connected to the network and filters the packets based on a set of rules. A software firewall runs on the operating system and intercepts packets as they arrive to a computer. Physical security is the protection of the actual hardware and networking components that store and transmit information resources.
Information technology is now a commodity and cannot be used to provide an organization with competitive advantage. How is the study by Brynjolfsson and McAfee different from previous studies? How is it the same? It is different because it shows that IT can bring a competitive advantage, given the right conditions. It is the same in the sense that it shows that IT, by itself, does not bring competitive advantage.
What does it mean for a business to have a competitive advantage? A company is said to have a competitive advantage over its rivals when it is able to sustain profits that exceed average for the industry. What are the primary activities and support activities of the value chain?
The primary activities are those that directly impact the creation of a product or service. The support activities are those that support the primary activities. Support: firm infrastructure, human resources, technology development, and procurement. What has been the overall impact of the Internet on industry profitability? Who has been the true winner?
The overall impact has been a reduction in average industry profitability. The consumer has been the true winner. EDI is the computer-to-computer exchange of business documents in a standard electronic format between business partners. Give an example of a semi-structured decision and explain what inputs would be necessary to provide assistance in making the decision.
A semi-structured decision is one in which most of the factors needed for making the decision are known but human experience and other outside factors may still play a role. The student should provide an example of a decision that uses an information system to provide information but is not made by the system.
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Examples would include: budgeting decisions, diagnosing a medical condition, and investment decisions. A collaborative system is software that allows multiple users to interact on a document or topic in order to complete a task or make a decision. How can IT play a role in competitive advantage, according to the article by Brynjolfsson and McAfee?
The article suggests that IT can influence competitive advantage when good management develops and delivers IT-supported process innovation. A process is a series of tasks that are completed in order to accomplish a goal. A business process, therefore, is a process that is focused on achieving a goal for a business. What are three examples of business process from a job you have had or an organization you have observed? Students can answer this in almost any way. The examples should consist of more than a single step.
There are many answers to this. From the text: it allows for better control of the process , and for standardization. What is an ERP system? How does an ERP system enforce best practices for an organization? It enforces best practices through the business processes embedded in the software. ERP system s can lead to the commoditization of business processes, meaning that every company that uses an ERP system will perform business processes the same way.
What is business process reengineering? How is it different from incrementally improving a process? Business process r eengineering BPR occurs when a business process is redesigned from the ground up. It is different from incrementally improving a process in that it does not simply take the existing process and modify it. BPR became an excuse to lay off employees and try to complete the same amount of work using fewer employees.
Have those who use the outcomes of the process perform the process.
Subsume information-processing work into the real work that produces the information. Treat geographically dispersed resources as though they were centralized. Link parallel activities instead of integrating their results. Put the decision points where the work is performed, and build controls into the process.
What is business process management? What role does it play in allowing a company to differentiate itself? It can play a role in differentiation through built-in reporting, and by empowering employees, enforcing best practices, and enforcing consistency. ISO certification shows that you know what you do, do what you say, and have documented your processes.
To understand business requirements and translate them into the requirements of an information system. D uties include keeping the operating systems up to date, ensuring available memory and disk storage, and overseeing the physical environment of the computer.
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The CI O aligns the plans and operations of the information systems with the strategic goals of the organization. This includes tasks such as budgeting, strategic planning, and personnel decisions relevant to the information-systems function. A project manager is responsible for keeping projects on time and on budget.
This person works with the stakeholders of the project to keep the team organized and communicates the status of the project to management. Explain the point of having two different career paths in information systems.
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To allow for career growth for those who do not want to manage other employees but instead want to focus on technical skills. What are the advantages and disadvantages of centralizing the IT function?
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There are several possible answers here. Disadvantages include a more limited availability of IT resources. What impact has information technology had on the way companies are organized? The organizational structure has been flattened, with fewer layers of management. Rapid application development RAD is a software-development or systems-development methodology that focuses on quickly building a working model of the software, getting feedback from users, and then using that feedback to update the working model.
The biggest difference between the lean methodology and the other methodologies is that the full set of requirements for the system is not known when the project is launched. What are three differences between second-generation and third-generation languages? The words used in the language: third generation languages use more English -like words than second-generation languages.
Hardware specificity: third generation languages are not specific to hardware, second-generation languages are. Learning curve: third generation languages are easier to learn and use. Why would an organization consider building its own software application if it is cheaper to buy one? Responsive design is a method of developing websites that allows them to be viewed on many different types of devices without losing capability or effectiveness. While HTML is used to define the components of a web page, cascading style sheets CSS are used to define the styles of the components on a page.
What is the difference between the pilot implementation methodology and the parallel implementation methodology? The pilot methodology implement s new software for just one group of people while the rest of the users use the previous version of the software. The parallel implementation methodology use s both the old and the new applications at the same time. The oversight of the changes brought about in an organization. Globalization refer s to the integration of goods, services, and culture s among the nations of the world.
In this era, globalization was centered around countries.
It was about how much horsepower, wind power, and steam power a country had and how creatively it was deployed. In this era, the dynamic force driving change was comprised of multinational companies. There are several answers to this. Probably the most obvious are the Internet, the graphical interface of Windows and the World Wide Web, and workflow software. Advantages include the ability to locate expertise and labor around the world, the ability to operate 24 hours a day, and a larger market for products.