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Chapter 6 1. Bluetooth digitizes an image and transmits the representative bits to a receiving fax machine. Answer(s): False Page reference: 210 2. A(n) ____ is the physical means that transports the signal, such as a telephone line, a television cable, or a radio wave. Correct Answer(s): B. communications medium Page reference: 199 3. Businesses use videoconferencing to save on travel costs and lodging, car fleets, and the time of highly salaried employees, whether they work in different organizations or at different sites of the same organization. Your Answer: True Page reference: 197 4. With digital subscriber line (DSL), data remains digital throughout the entire transmission; it is never transformed into analog signals. Answer: True Page reference: 214 5. Ethernet is a common device often used as a central location to connect computers or devices to a local network. Answer(s): False Page reference: 205 6. Dial-up connections through regular phone lines and Ethernet computer network connections are examples of ____. Answer: A. baseband Page reference: 199 7. RFID technology is also used in warehouses where employees can use handheld units to check a central system for availability and location of items to be picked up and stored from and to shelves or bins. Answer: True Page reference: 198 8. Broadband offers greater bandwidth and faster throughput than baseband connections. It is associated with a high-speed network connection, which is required for fast transmission of large files. Answer: True Page reference: 199 9. Bandwidth is also referred to as access rate. Answer(s): False Page reference: 199 10. A WAN usually links multiple LANs within a large city or metropolitan region and typically spans a distance of up to 50 kilometers (about 30 miles). Answer(s): False Page reference: 204 Chapter 7 1. The larger the data warehouse, the larger the storage capacity, the greater the memory, and the greater the processing power of the computers that are needed. Answer: True Page reference: 250 2. Data is accessed in a database by sending messages called "queries," which request data from specific records and/or fields and direct the computer to display the results. Answer: True Page reference: 237 3. The ____ describes the structure of the database being designed: the names and types of fields in each record type and the general relationships among different sets of records or files. Answer(s): C. schema Page reference: 244 4. DBMSs are usually bundled with a first-generation module that programmers can use to develop applications that facilitate queries and produce predesigned reports. Answer(s): False Page reference: 237 5. While a database itself is a collection of several related files, the program used to build databases, populate them with data, and manipulate the data is called a ____. Answer(s): C. database management system Page reference: 236 6. The description of each table structure and types of fields become part of a(n) ____, which is a repository of information about the data and their organization. Answer(s): B. data dictionary Page reference: 245 7. In object-oriented technology, a(n) ____ consists of both data and the procedures that manipulate the data. Answer(s): D. object Page reference: 241 8. The smallest piece of data is a(n) ____. Answer(s): B. character Page reference: 235 9. In a relational database, a field is called a(n) ____. Answer: A. attribute Page reference: 239 10. A(n) ____ creates a temporary table that is a subset of the original table or tables. Answer(s): B. relational operation Page reference: 243 Chapter 8 Practice Test Study Guide Results 1. Virtual private server technology enables one server to be virtually split into many addressable servers, each for a different client and with its own domain name. Answer: True Page reference: 295 2. ____ is the most common programming language for creating Web pages and other information viewable in a Web browser. Answer(s): B. HTML Page reference: 272 3. The purpose of ____ is to know the consumers better so the business can serve them better while streamlining its marketing and sales operations. Answer(s): C. consumer profiling Page reference: 284 4. In ____ the host dedicates a server to the client, and the client can fully control the content on the server's disks. Answer: A. dedicated hosting Page reference: 296 5. A(n) ____ occurs whenever a browser downloads the page containing the banner. Answer(s): C. impression Page reference: 279 6. A large company whose entire business is done online is often called a domain Web company. Answer(s): False Page reference: 294 7. ____ is usually the most expensive of hosting options. Answer: A. Co-location Page reference: 296 8. Some hosting companies charge extra fees for shared hosting if the site experiences activity above a predetermined amount of data that is transferred or number of visits from Web surfers, known as hits. Answer: True Page reference: 298 9. The ____ is commonly used to transmit whole files from one computer to another. Answer: A. File Transfer Protocol Page reference: 273 10. ____ consists of standards for formatting documents such as orders and invoices, software that translates the data properly, and the networks through Answer: A. EDI Page reference: 292-293 Chapter 10 1. GISs process location data and provide output. Answer: True Page reference: 364-365 2. A static model is one that is automatically adjusted based on changing relationships among variables. Answer(s): False Page reference: 347 3. A typical ____ consists of (1) a database of quantitative and qualitative data from which information is extracted for display, (2) a database of maps, and (3) a program that displays the information on the maps. Answer(s): D. GIS Page reference: 366 4. In the ____ phase of decision making, the method for considering the data is designed. Answer(s): B. Design Page reference: 343 5. Spreadsheets enable you to enter data, but not formulas, in cells. Answer(s): False Page reference: 350 6. A model might be a widely used method to predict performance, such as best-fit linear analysis, or it might be built by the organization, using the experience that employees in the firm have accumulated over time. Answer: True Page reference: 347-348 7. Rather than containing a set of IF-THEN rules, more sophisticated ESs use programs called ____, which are designed to mimic the way a human brain learns. Answer: A. neural networks Page reference: 359 8. In the ____ phase of decision making, decision makers select the most promising alternative. Answer(s): C. Choice Page reference: 343 9. A(n) ____ has no algorithm to follow to reach an optimal solution - either because there is not enough information or because there are so many factors that no algorithm can guarantee a unique optimal solution. Answer(s): D. unstructured problem Page reference: 344 10. Inference engines are used to predict output on the basis of different input or different conditions or to estimate what combination of conditions and input might lead to a desired output. Answer(s): False Page reference: 347