HNC Computing (Systems Support), Castle College Systems Analysis Lecture 1 Introduction How business use IS Role of Analyst

HNC Computing (Systems Support), Castle College What is Systems Analysis? Live Demonstration

HNC Computing (Systems Support), Castle College Lecture Objectives  Tutor Introduction  Module Structure and Program  Assessment Methods and weighting  Introduction to Information Systems

HNC Computing (Systems Support), Castle College Tutor Introduction  Training  Work experience  Welcome Feedback

HNC Computing (Systems Support), Castle College Module Structure  Subject areas: Understanding the Systems Analysis Life Cycle Understanding the Systems Analysis Life Cycle –Understand systems analysis tools and techniques –Perform a system investigation –Perform functional and data modelling

HNC Computing (Systems Support), Castle College Class Structure  6-9 pm, one break  Lectures  Tutorials  Lab work / Assignment work  Varying combinations

HNC Computing (Systems Support), Castle College Assessment Methods and weighting  Four Assignment projects  Equal weighting  Some individual work and some team work.  Terminology!

HNC Computing (Systems Support), Castle College Reference Materials  Library  Recommendations with each subject area  Recommended text books BTEC Higher National in Computing, Pearson Education Ltd, (List of referenced books) BTEC Higher National in Computing, Pearson Education Ltd, (List of referenced books) Systems Analysis and Design, D. Yeates, Pitman Publishing, 1994, ISBN Systems Analysis and Design, D. Yeates, Pitman Publishing, 1994, ISBN Computers: Information Technology in perspective (12 th Ed), Larry & Nancy Long, Pearson Education Ltd, ISBN Computers: Information Technology in perspective (12 th Ed), Larry & Nancy Long, Pearson Education Ltd, ISBN Shelley Cashman & Rosenblatt (6th Ed), Thomson Course Technology (2006), ISBN Shelley Cashman & Rosenblatt (6th Ed), Thomson Course Technology (2006), ISBN

HNC Computing (Systems Support), Castle College Lesson Objectives  Examine impact of Information Technology on business  Look at how businesses use Information Systems  Consider the effects of the Internet on business needs

HNC Computing (Systems Support), Castle College Reality of Information Systems

HNC Computing (Systems Support), Castle College Reality of Information Systems Systems Analysis

HNC Computing (Systems Support), Castle College Impact of IT Dramatic example of how Information Technology affects business

HNC Computing (Systems Support), Castle College Information in business  Increase productivity  Deliver quality products and services  Maintain customer loyalty  Make sound decisions  Compete in a global economy Companies use information as a weapon in the battle to

HNC Computing (Systems Support), Castle College Information – vital asset  Used effectively  Updated constantly  Safeguarded carefully Most companies treat information as a vital asset which must be Hence the importance of effective Information Systems

HNC Computing (Systems Support), Castle College Development of IS Traditionally  Develop own in-house  Purchase Software Packages Now greater choice  Internet based application Services  Outsourcing  Custom solutions from IT consultants Combinations of these

HNC Computing (Systems Support), Castle College “You delivered what I asked for but it is not what I wanted” The greatest risk occurs when a company tries to decide how the system will be implemented before determining what the system is supposed to do. To avoid this we have to begin by outlining a company’s business needs and identifying possible solutions

HNC Computing (Systems Support), Castle College Understanding the Business  Unique information requirements  Business Models “A business model is a graphical representation of one or more business processes that a company performs” - Shelley Cashman et al p8  Business Profile “A business profile is an overview that describes a company’s overall functions, services, products, customers, suppliers, competitors, constraints and future direction” - Shelley Cashman et al p8

HNC Computing (Systems Support), Castle College Business Process Modelling  Business Profile  Business Practises

HNC Computing (Systems Support), Castle College Discussion  Choose one business type  Thought shower: What typical Business Processes would this organisation want to perform?  Feedback (& technique)

HNC Computing (Systems Support), Castle College Business Operations - TPS  Transaction processing (TP) systems process data generated by day to day business operations E.g. Customer order processing, processing Claims under warrantee, etc  One of the most important areas of Information management  Transaction processing can involve thousands of transactions each day

HNC Computing (Systems Support), Castle College TPS Example

HNC Computing (Systems Support), Castle College Business Operations  Internet based commerce e-commerce (electronic commerce) e-commerce (electronic commerce) i-commerce (internet commerce i-commerce (internet commerce  B2B – Business to Business  B2C – Business to Consumer

HNC Computing (Systems Support), Castle College B2C  Traditional sales / services  Internet – on-line shopping Enormous variety of products and services Enormous variety of products and services Create attractive sites that increase online sales Create attractive sites that increase online sales  B2C commerce is changing traditional business models

HNC Computing (Systems Support), Castle College B2B  B2B allows companies of any size to access the Global marketplace (online trading)  The volume of B2B transactions is much greater than that of B2C  Enables instant information about market prices and availability

HNC Computing (Systems Support), Castle College Growth Areas in Systems Development  Internet based system development  Software services (e.g. Internet systems with Web pages, levels of data management software and web based database server) (e.g. Internet systems with Web pages, levels of data management software and web based database server)

HNC Computing (Systems Support), Castle College In Conclusion  Examined the impact of IT on businesses  Examined how modern businesses use Information Technology  Considered how the Internet has effected modern business needs and practice