Introduction to System Analysis and Design (Definition of System) - Dr. Mahmoud Abu-Arra - Dr. Mahmoud Abu-Arra - Mr. Ahmad Al-Ghoul System Analysis and Design

Avicenna System Analysis and Design Introduction to SAD2 Learning Objectives Discuss the impact of information technology on business strategy and success Discuss the impact of information technology on business strategy and success Discuss what is SAD and why is it important to business Discuss what is SAD and why is it important to business Discuss the impact of IT on business Discuss the impact of IT on business

Avicenna System Analysis and Design Introduction to SAD3 introduction Organizations are large systems composed of interrelated subsystems, IT affects productivity, quality, customer loyalty, and help makes better decisions. Organizations are large systems composed of interrelated subsystems, IT affects productivity, quality, customer loyalty, and help makes better decisions. To ascertain information requirements properly and design appropriate information systems, it is of primary importance to understand the impact of information technology on business strategy and success, the characteristics of system, and the components of information systems To ascertain information requirements properly and design appropriate information systems, it is of primary importance to understand the impact of information technology on business strategy and success, the characteristics of system, and the components of information systems

Avicenna System Analysis and Design Introduction to SAD4 The Impact of Information Technology Information Technology Information Technology Combination of hardware and software products and services that companies use to manage, access, communicate, and share information Combination of hardware and software products and services that companies use to manage, access, communicate, and share information Information is a vital asset that must be used effectively, updated, connected, transmitted, analyzed, and used well Information is a vital asset that must be used effectively, updated, connected, transmitted, analyzed, and used well

Avicenna System Analysis and Design Introduction to SAD5 The Impact of Information Technology The Future of IT The Future of IT IT has created a new economy, where advances in hardware, software, networks provide huge benefits to businesses worldwide. IT has created a new economy, where advances in hardware, software, networks provide huge benefits to businesses worldwide. Globalization and the increasing internet users around the world, give IT budgets high priority, to reach new markets, to build and manage distributed companies and to reduce costs Globalization and the increasing internet users around the world, give IT budgets high priority, to reach new markets, to build and manage distributed companies and to reduce costs

Avicenna System Analysis and Design Introduction to SAD6 Systems Analysis and Design is the process people use to create information systems Systems Analysis and Design is the process people use to create information systems people processes data software hardware SA&D 15

Avicenna System Analysis and Design Introduction to SAD7 The Impact of Information Technology What is Systems Analysis and Design (SAD)? What is Systems Analysis and Design (SAD)? Systems Analysis: understanding and specifying in detail what an information system should do Systems Analysis: understanding and specifying in detail what an information system should do System Design: specifying in detail how the parts of an information system should be implemented System Design: specifying in detail how the parts of an information system should be implemented Why is it important? Success of information systems depends on good SAD Success of information systems depends on good SAD Widely used in industry - proven techniques Widely used in industry - proven techniques part of career growth in IT - lots of interesting and well-paying jobs! (rated 2nd best job) part of career growth in IT - lots of interesting and well-paying jobs! (rated 2nd best job)

Avicenna System Analysis and Design Introduction to SAD8 The Impact of Information Technology The Role of Systems Analysis and Design The Role of Systems Analysis and Design Information Systems Analysis and Design Information Systems Analysis and Design Step-by-step process whereby computer-based information systems are developed and maintained Step-by-step process whereby computer-based information systems are developed and maintained Systems Analyst Systems Analyst is a key person analyzing business, depending on organization function, requirements, identifying opportunities for improvement, solving problems, and designing information systems to implement these ideas. is a key person analyzing business, depending on organization function, requirements, identifying opportunities for improvement, solving problems, and designing information systems to implement these ideas. Many failed systems were abandoned because analysts tried to build wonderful systems without understanding the organization. Many failed systems were abandoned because analysts tried to build wonderful systems without understanding the organization.

Avicenna System Analysis and Design Introduction to SAD9 The Impact of Information Technology Who develops Information Systems? Who develops Information Systems? Before taking the decision to build In-house applications or purchased systems from outside vendors or both, the organization must determine what the system is supposed to do. Before taking the decision to build In-house applications or purchased systems from outside vendors or both, the organization must determine what the system is supposed to do. A company must begin to outlining its business needs and possible IT solutions, then it can consider the implementation options. A company must begin to outlining its business needs and possible IT solutions, then it can consider the implementation options. The choice is not easy because there are many options include The choice is not easy because there are many options include Internet-based application services Internet-based application services Outsourcing Outsourcing Custom solutions Custom solutions Enterprise-wide software strategies Enterprise-wide software strategies

Avicenna System Analysis and Design Introduction to SAD10 Sequence Summary In this sequence, you learned that information technology (IT) refers to the combination of hardware, software, and telecommunications systems that support business In this sequence, you learned that information technology (IT) refers to the combination of hardware, software, and telecommunications systems that support business IT supports business operations, improves productivity, and helps managers makes decisions. IT supports business operations, improves productivity, and helps managers makes decisions. System analysis and design is the process of developing information systems that transform data into useful information System analysis and design is the process of developing information systems that transform data into useful information System analyst is a key person analyzing business, depending on organization function, requirements, identifying opportunities for improvement, solving problems, and designing information systems to implement these ideas. System analyst is a key person analyzing business, depending on organization function, requirements, identifying opportunities for improvement, solving problems, and designing information systems to implement these ideas. Traditionally, companies either developed in-house applications or purchased software packages from vendors. Traditionally, companies either developed in-house applications or purchased software packages from vendors. Today the choice is much more complex, but it is always important for companies to plan the system carefully before considering implementation options. Today the choice is much more complex, but it is always important for companies to plan the system carefully before considering implementation options.

Avicenna System Analysis and Design Introduction to SAD11 Sequence Summary In this Sequence we have In this Sequence we have Defined the term information technology Defined the term information technology Described the Future of IT Described the Future of IT Defined system analysis and design and why it is important Defined system analysis and design and why it is important Defined the analyst and the role he/she plays in information system development Defined the analyst and the role he/she plays in information system development

Avicenna System Analysis and Design Introduction to SAD12 Reference [1] System Analysis and Design, Sixth Edition Authors: Gary B. Shelly, Thomas J. Cashman and Harry J. Rosenblatt, Authors: Gary B. Shelly, Thomas J. Cashman and Harry J. Rosenblatt, Publisher: SHELLY CASHMAN SEWIES. [2] Modern Systems Analysis and Design Third Edition Authors: Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich Authors: Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich Publisher: prentice hall Publisher: prentice hall