Nt1310 Unit 1 Assignment 1
Introduction to SAD
LIS 163 Sir Igor
Introduction
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●
Companies use information as a weapon in the battle to increase productivity, deliver quality products and services, maintain customer loyalty, and make sound decisions. Information technology can mean the difference between success and failure
The Impact of Information Technology
Information Technology
–
●
–
Combination of hardware and software products and services that companies use to manage, access, communicate, and share information A vital asset that must be used effectively, updated constantly, and safeguarded carefully
The Impact of Information Technology
●
The Role of SAD
–
●
Systems Analysis and Design Systems Analyst
● ●
Step-by-step …show more content…
A system designed to meet the unique requirements of a specific business or industry, such as a Web-based retailer or video rental chain.
The Impact of Information Technology
●
Information System Components
–
Data
●
–
Processes
●
Is the raw material that an information system transforms into useful information Define the tasks and business functions that users, managers, and IT staff members perform to achieve specific results Users, or end users, are the people who interact with an information system, both inside and outside the …show more content…
J.D. Naumann and A.M. Jenkins. 1982.
CASE Tools
Computer-Aided Software Engineering ● Software tools providing automated support for systems development ● Project dictionary/workbook: system description and specifications ● Diagramming tools
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Joint Application Design (JAD)
Structured process involving users, analysts, and managers ● Several-day intensive workgroup sessions (intensive structured meetings) ● All people affected by IS in one room all at the same time ● Purpose: to specify or review system requirements ● “Shared understanding”
●
Rapid Application Development (RAD)
Methodology to decrease design and implementation time ● Involves: prototyping, JAD, CASE tools, and code generators
●
Agile Methodologies
Motivated by recognition of software development as fluid, unpredictable, and dynamic ● Three key principles ● Adaptive rather than predictive ● Emphasize people rather than roles ● Self-adaptive
LIS 163 Sir Igor
Introduction
●
●
Companies use information as a weapon in the battle to increase productivity, deliver quality products and services, maintain customer loyalty, and make sound decisions. Information technology can mean the difference between success and failure
The Impact of Information Technology
Information Technology
–
●
–
Combination of hardware and software products and services that companies use to manage, access, communicate, and share information A vital asset that must be used effectively, updated constantly, and safeguarded carefully
The Impact of Information Technology
●
The Role of SAD
–
●
Systems Analysis and Design Systems Analyst
● ●
Step-by-step …show more content…
A system designed to meet the unique requirements of a specific business or industry, such as a Web-based retailer or video rental chain.
The Impact of Information Technology
●
Information System Components
–
Data
●
–
Processes
●
Is the raw material that an information system transforms into useful information Define the tasks and business functions that users, managers, and IT staff members perform to achieve specific results Users, or end users, are the people who interact with an information system, both inside and outside the …show more content…
J.D. Naumann and A.M. Jenkins. 1982.
CASE Tools
Computer-Aided Software Engineering ● Software tools providing automated support for systems development ● Project dictionary/workbook: system description and specifications ● Diagramming tools
●
Joint Application Design (JAD)
Structured process involving users, analysts, and managers ● Several-day intensive workgroup sessions (intensive structured meetings) ● All people affected by IS in one room all at the same time ● Purpose: to specify or review system requirements ● “Shared understanding”
●
Rapid Application Development (RAD)
Methodology to decrease design and implementation time ● Involves: prototyping, JAD, CASE tools, and code generators
●
Agile Methodologies
Motivated by recognition of software development as fluid, unpredictable, and dynamic ● Three key principles ● Adaptive rather than predictive ● Emphasize people rather than roles ● Self-adaptive