MIS Final Study Guide

MIS Final Study Guide - MIS Final Study Guide Chapter One...

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MIS Final Study Guide Chapter One Information System- group of components that interact to produce information - Components include: computer hardware, software, data, procedures, and people MIS- development and use of information systems that help businesses achieve their goals and objectives - Take active role in developing information systems - Information systems exist to help people who work in a business to achieve the goals and objectives of that business Information Technology- refers to methods, inventions, standards, and products - Raw technology/ concerns only hardware, software, and data components of an information system - Only when IT is combined with IS is it useful Two Opportunities: free data storage and free data transmission Moore’s Law: number of transistors per square inch on an integrated chip doubles every 18 months - Computers getting faster - Data storage and data transmission essentially free Chapter 2 Business Process: network of activities, resources, facilities, and information that interact to achieve some business function Ex. inventory management processes, manufacturing processes, sales and support processes Activity- transforms resources and information of one type into resources and information of another type -can be manual or automated/ can be combination of both Resource- item of value Facility- structures used within the business process i.e. inventories and databases Information- knowledge derived from data/ used to transform inputs they receive into outputs they produce/ processed data Characteristics of good information: - Accurate: based on complete and correct data/ processed clearly - Timely: produced in time for its intended use - Relevant: to context and to subject - Just barely sufficient: don’t want too much information/ need enough of right information - Worth its cost: cost of information must be worth its value Business processes generate information by bringing together important items of data in a given context
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- Information systems are used by activities in a business process - Software is instructions for hardware/ procedures are instructions for people - Data is bridge between automated and manual side of information systems Chapter 3 - Nature of business process determines the structure of an information system - Will create a system or process for whatever you are trying to accomplish as a business Porter’s Five Forces: - Rivalry, threat of new entrants, threat of substitutes, bargaining power of suppliers, bargaining power of customers Porter’s Four Competitive Strategies: page 45 Value Chain- network of value-creating activities/ Primary vs. Support activities Primary Activities: Marketing and Sales: inducing buyers to purchase the product and providing a means for them to do so In-bound logistics: receiving, storing, and disseminating inputs to the product Operations: transforming inputs into the final product Out-bound logistics: collecting, storing, and physically distributing the product to buyers
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This note was uploaded on 11/05/2011 for the course MIS 235 taught by Professor Sunrro during the Spring '08 term at Miami University.

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MIS Final Study Guide - MIS Final Study Guide Chapter One...

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