Information Technology final exam

input, processing, and output. - correct answers The components of an information systems are: Data - correct answers ______________ is the raw material from which information is composed. accurate, complete, economical. - correct answers Characteristics of valuable information are: hardware, software, databases, telecommunications, people, and procedures. - correct answers The computer based information system (CBIS) components are: e-commerce and m-commerce, RAM and TOM, MIS and DSS, knowledge management and specialized business information systems. - correct answers The type of computer based information systems that organizations use can be classified into four basic groups: B2B, C2C, B2C, B2 public sector, and C2 public sector. - correct answers Electronic commerce (e-commerce) involves: create, store, share, and use the organization's knowledge and experience. - correct answers Knowledge management systems are organized collections of people, procedures, software, databases, and devices used to: specifies the factors that can lead to higher acceptance and usage of technology in an organization. - correct answers The technology acceptance model (TAM): forming alliances with other companies, developing a niche market, maintaining higher production, and creating product differentiation. - correct answers Organizations employ strategies to achieve a competitive advantage such as: output achieved divided by the input required X 100 - correct answers Productivity is a measure of the: manage all aspects of customer encounters including marketing and sales. - correct answers Customer relationship management (CRM) programs help companies: the total cost paid for all raw materials used in the production department. - correct answers Total cost of ownership is a measure of: 1. Programmers help users determine what outputs that they need from the system and construct the plans needed to develop the necessary programs that produce these outputs. - correct answers Which is true? 1. Programmers help users determine what outputs that they need from the system and construct the plans needed to develop the necessary programs that produce these outputs. 2. Programmers then work with one or more system analysts who make sure that the appropriate programers are used. 3. A computer programmer uses the plans created by the systems analyst to develop or adapt one or more computer programs that produce the desired outputs. employ and information systems department's equipment and personnel in a manner that will help the organization attain its goals. - correct answers The overall role of the chief information officer (CIO) is to: enable the safe disposal or recycling of computer equipment. - correct answers Green computing has three goals. One of them is: 2. In ROM, the combination of circuit states is fixed, and therefore its contents are not lost if the power is removed. - correct answers Which is true? 1. RAM is permanent. 2. In ROM, the combination of circuit states is fixed, and therefore its contents are not lost if the power is removed. 3. RAM chips do not lose their contents if the current is turned off. 1. The control unit sequentially accesses program instructions, decodes them, and coordinates data flows. - correct answers Which is true? 1. The control unit sequentially accesses program instructions, decodes them, and coordinates data flows. 2. The control unit performs mathematical calculations and makes logical comparisons. 3. The arithmetic logic unit (ALU) sequentially accesses program instructions, decodes them, and coordinates data flows. provides both end-user support and the computer on which to run the software from the user's facilities. - correct answers An application service provider, or ASP, is a company that: create application software without having to understand the inner workings of the operating system. - correct answers Programmers can use APIs to: groupware. - correct answers Workgroup application software is designed to support teamwork. This support can be accomplished with software known as: 2. An attribute is a characteristic of an entity. - correct answers Which is true? 1. An attribute is a generalized class of people places, or things (objects) for which data is collected, stored, and maintained. 2. An attribute is a characteristic of an entity. 3. Employee number, last name, fist name, hire date, and department number are examples of an entity. 3. A database is a part of system software. - correct answers Which is false? 1. A database is an organized collection of data. 2. A database management system (DBMS) consists of a group of programs that manipulate the database and provide an interface between the database and its users and other application programs. 3. A database is a part of system software. 2. In a relational model, all data elements are placed in two-dimensional tables, called RELATIONSHIPS; the correct terms is actually RELATIONS. - correct answers Which is false? 1. The relational model describes data using a standard tabular format. 2. In a relational model, all data elements are placed in two-dimensional tables, called RELATIONSHIPS. 3. The tables in relational databases organize data in rows and columns, simplifying data access and manipulation. 2. More than one record can have the same primary key. - correct answers Which is false? 1. A primary key is a field or set of fields that uniquely identifies the record. 2. More than one record can have the same primary key. 3. The primary key is used to distinguish records so that they can be accessed, organized, and manipulated. 1. Due to virtual database advances, security is not a concern anymore. - correct answers Which is false? 1. Due to virtual database advances, security is not a concern anymore. 2. A virtual database acts independently of the physical servers, disk drives, and other database components that can be located around the world. 3. Virtualization allows organizations to more efficiently use computing resources, reduce costs, and provide better access to critical information. 3. Data protection compromised. - correct answers Which is not an advantage of the database approach? 1. Better strategic use of corporate data? 2. Less data redundancy. 3. Data protection compromised. 2. When done at the level of the entire organization, then the data modeling is called organizational data modeling. The correct term is actually enterprise data modeling. - correct answers Which is false? 1. Data modeling usually involves understanding a specific business problem and analyzing the data and information needed to deliver a solution. 2. When done at the level of the entire organization, then the data modeling is called organizational data modeling. 3. A data center is a climate controlled building that house database servers and the systems that deliver mission critical information and services. the database is stored on a service provider's employee's computers and accessed by the client over network, typically the Internet. - correct answers Database as a Service (DaaS) is a new form of database service in which: 2. Joining involves manipulating data to eliminate columns in a table, whereas, projecting involves manipulating data to combine two or more tables. The other way around is actually true. - correct answers Which is false? 1. A data definition language (DDL) is a collection of instructions and commands used to define and describe data and relationships in a specific database. 2. Joining involves manipulating data to eliminate columns in a table, whereas, projecting involves manipulating data to combine two or more tables. 3. A DDL allows the database's creator to describe the data and relationships that are to be contained in the schema. data warehouse - correct answers A ________________________ is a relational database management system designed to specifically support management decision making. a complete set of relational database capabilities. - correct answers An object relational database management system (ORDBMS) provides: historical data with assumptions about the future conditions to predict outcomes such as future product sales. - correct answers Predictive analysis is a form of data mining that combines: 2. A personal area network (PAN) is a wireless network that connects information technology devices close to one person. - correct answers Which is true? 1. A network that connects computer systems and devices within a small area, such as an office, home, or several floors in a building is a VAN. 2. A personal area network (PAN) is a wireless network that connects information technology devices close to one person. 3. A WAN is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city. 4. A MAN is a telecommunications network that connects large geographical regions. 3. Cloud computing refers to a computing where software and storage are provided as an Internet service and accessed with a Web browser. - correct answers Which is true? 1. The Internet is a hyperlink based system that organizes Internet resources throughout the world into a series of linked files, called pages, accessed and viewed using Web client software, called a Web browser. 2. The Web is a collection of interconnected networks, all freely exchanging information. 3. Cloud computing refers to a computing where software and storage are provided as an Internet service and accessed with a Web browser. 4. A web browser is a Web client software such as Adobe Acrobat. 2. The key elements of technology infrastructure required to successfully implement e-commerce within an organization are hardware and Web-server software. - correct answers Which is false? 1. Anything that an org