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A killer app is application software that is so useful that people will purchase the hardware just so they can run it. An ERP (enterprise resource planning) system is a software application with a centralized database that is implemented across the entire organization. All the tables are related by one or more fields in common. A database can hold much larger amounts of data than a spreadsheet. A record is one instance of a set of fields in a table. A database uses a standardized query language (such as SQL), a spreadsheet does not. The second important reason to define the data type is so that the proper amount of storage space is allocated for the data. What are the five components that make up an information system? What are three examples of information system hardware? There are a number of possible answers: a PC, a printer, a mouse, tablets, mobile phones, etc. Microsoft Windows is an example of which component of information systems? It is an operating system, which is a part of the software component. The text lists the following (the student should pick at least three of these): i. Each packet has the sender’s address, the destination address, a sequence number, and a piece of the overall message to be sent. Which came first, the Internet or the World Wide Web? The methods are: something you know, something you have, and something you are. With role-based access control (RBAC), instead of giving specific users access rights to an information resource, users are assigned to roles and then those roles are assigned the access.
These items are not available to those outside of the company. Metcalfe’s Law states that the value of a telecommunications network is proportional to the square of the number of connected users of the system. Briefly define each of the three members of the information security triad.
The fundamental unit of data transmitted over the Internet.
Anyone could post content to the web, without the need for understanding HTML or web-server technology. What was the so-called killer app for the Internet?
It refers to the data used to describe other data, such as the length of a song in i Tunes, which describes the music file. This is important when the company wants to report consistent statistics about itself, such as revenue or number of employees. By having a data warehouse, snapshots of data can be taken over time.
The process of developing a data warehouse forces an organization to better understand the data that it is currently collecting and, equally important, what data is not being collected. A data warehouse provides a centralized view of all data being collected across the enterprise and provides a means of determining data that is inconsistent. Once all data is identified as consistent, an organization can generate one version of the truth. Data mining is the process of analyzing data to find previously unknown trends, patterns, and associations in order to make decisions. What were the first four locations hooked up to the Internet (ARPANET)?