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This 6 page Bundle was uploaded by Nicole Rossi on Friday January 22, 2016. The Bundle belongs to at Rowan University taught by Yide Shen in Fall 2015. Since its upload, it has received 27 views. For similar materials see Management Information Systems in Business, management at Rowan University.
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Date Created: 01/22/16
MIS EXAM 1 STUDY GUIDE CHAPTER 1 10 Flatteners: 11/9/89: Berlin Wall Fall 8/9/95: Netscape went public work flow outsourcing offshoring uploading supply chain insourcing informing steroids Business Drivers in MIS: The Six Business Objectives: o Operational Excellence: higher profits due to efficiency (Walmart) o Create New Products, Services & Business Models: (Uber) o Customer & Supplier Intimacy: customers who are served well, will return (JC Penny) o Improved Decision Making: real time data improves ability of managers to make decisions (Verizon) o Competitive Advantage: doing things better than your competitors (Walmart) o Survival: invest in information systems out of necessity (Citibank) Information Technology vs. Information System: Information systems: a term for the systems, people and processes designed to create, store, manipulate, distribute and disseminate information. Information Technology: deals with the technology involved in the systems themselves. Information technology can be defined as the study, design, implementation, support or management of computer- based information systems. Computer literacy vs. Information systems literacy: Computer literacy: having the knowledge to use technology in order to manipulate computer software or hardware. Information literacy: the ability to access, organize, evaluate and use information from various sources. Three dimensions of information systems: organizations: use technology people: build, maintain, use them technology: IT infrastructure: platform that info is built on Data vs. Information: Data: raw facts representing events Information: data shaped into meaningful useful forms Activities in an information system that produce information: Input: captures raw data Processing: organizes the data Output: distributes the data CHAPTER 2 Four basic business functions: Manufacturing and Production Accounting and finance Sales Human Resources Business processes: logically related set of tasks that define how specific business tasks are performed Types of activities and decisions involved in each of the three levels of management: Operational Management: everyday activities, interact with customers, highly structured decisions o Transaction Processing System: capture business events, processing system, organize data Middle Management: monitoring and controlling of operational, provides info to higher levels of the organizations o Management Information System: provides middle managements with reports on firms performance o Decision Support System: supports non-routine decisions, making for middle management, use info from TPS, MIS, and external sources, focus on extracting and analyzing information from large amounts of data Senior Management: strategic planning, non-routine decisions, provide info to execute positions o ESS: provides info to executives Four types of enterprise applications: Enterprise Systems Supply Chain Management Customer Relationship Management Enterprise Resource Planning Intranet vs. Extranet: Intranet: only accessible by own business members Extranet: extended for authority outside of the company The role of CIO: manages IS department, forecasts IS needs from strategy, sets direction for IS, plans, designs and delivers IT throughout firm, strong business background and IS expertise Definitions for Wiki: a website which allows collaborative modification of its content and structure directly from the web browser. CHAPTER 3 Porter’s Competitive Forces Model (What are the five forces?): Traditional Competitors New Market Constraints Substitute products and service Customers Suppliers The four generic strategies: Low Cost Leadership Product Differentiation Focus on Market Niche Strengthen Customer and Supplier Intimacy The value chain model (What is the value chain model? What are primary activities? What are support activities?): primary activities, support activities Business process management (BPM): set of tasks that defines how specific business tasks are performed Business process reenginnering (BPR): analysis and redesign of workflows within and between enterprises in order to optimize end-to-end processes and automate non-value-added tasks. CHAPTER 5 Computer Hardware: Workstation: fits on a desktop, more powerful mathematical and graphics, processes data intensive processing Server: supports the computing needs of managing networks, supports a lot of users, includes Web, database, applications Mainframe: large capacity, supports thousands of users, processes large amounts of data very rapidly Supercomputer: big computers used in engineering, scientific simulation, military/weapons, research, weather forecasting Grid computing: connecting thousands of computer into a single network to act as “super computer”, combines computational power of all computers in the grid, can solve complicated problems at supercomputer speeds at low costs. Client/server computing: splits processing between clients and servers Clients: user point of entry Servers: store and processes the shared data and performs Primary storage vs. secondary storage: Primary Storage: temporarily stores data (RAM) Secondary Storage: long term storage (hardware, flash drive) Cloud computing: a model of computing in which firms and individuals obtain resources o Cloud Software as a Service: Rowan Cloud, salesforce, Google Apps for work o Platform as a service: uses infrastructure and programming tools provided by a service provider over internet (salesforce) o Cloud Infrastructure as a Service: uses processing, storage, networking, and computing resources (Amazon cloud) Public cloud vs. private cloud: Private Cloud: Amazon Cloud Private Cloud: Rowan Cloud Virtualization: allows multiple virtual machines with heterogeneous operating systems to run in isolation side by side on the same physical machine. Systems software vs. application software: System Software: The programs and the file that comprises the operating system. These files include configuration files, system preferences, system services, libraries of functions and the drivers for the hardware installed on the computer. The computer programs in system software include compilers, system utilities, assemblers, debuggers and file management tools. Application Software: The subclass of a computer program which utilizes the capabilities of computer. The example of application software programs includes media players, spreadsheets and word processors. Open source software: firefox (Web browser) Linux (Operating System) android (operating system) Mashups, apps: Mashups: combine 2 or more applications to create more value Apps: games, music, social networking, business principal issues in managing Capacity planning: predict when hardware will become saturated Scalability: ability of a system to expand with more users Total cost of ownership: total cost of creating and running a business (direct, indirect, hidden costs) CHAPTER 6 The problems of using the spreadsheet approach to manage large quantities of data: hard to find data, too much data, time consuming Metadata: data that describes data; always a part of a database Entity type vs. entity instance: Entity Type: group of things with the same properties (students) Entity Instance: a uniquely identifiable object of an entity type (Student ID) Entity relationship diagram notations for entity, attribute, relationship: Entity Attributes Relationship Three types of relationship: one-to-one, one-to-many, many-to- many: One-to-One: one entity instance in an entity type matches only one entity instances in the other entity type. o the primary key from one table is placed in the other table as a foreign key One-to-Many: one can match one or more entity instance. (arrow on many side) o primary key from the “one” side of the relationship is placed in the many side as a foreign key (many side gets the primary key) Many-to-Many: one entity instance can match with multiple entity instances (arrows on both sides) o new table (called the composite table), primary key of the composite table includes primary key of the two associated base tables (both are underlined, and italicized) Data structure diagram: table name (primary key, rest of the attributes) Entity integrity, referential integrity: Entity Integrity: in a table every primary key or attribute of a primary key, must have a value (it cannot be empty) Referential Integrity: every value of a foreign key must match a value of the primary key Definition of SQL: (structured query language): is a standard interactive and programming language for getting information from and updating a database. Big data: massive quantities of unstructured and semi-structured data from internet and networked services and applications. OLTP vs. OLAP: OLTP: (On-line Transaction Processing): is characterized by a large number of short on-line transactions (INSERT, UPDATE, DELETE). OLAP: (On-line Analytical Processing): is characterized by relatively low volume of transactions. Data warehouse, data mart: Data Warehouse: big, stores historical, up to date data, can be expensive Data Mart: smaller, scaled warehouses, less expensive, quicker to implement Hadoop: open source software framework from Apache. Information policy: specifies the organizations rules from organizing, managing, storing and sharing information.
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