INMT 544 Exam 1
Information - answer data processed, organized, structured, and presented in relevant
or meaningful context
System - answer assemblage of things or parts forming a complex or unitary whole
Information System - answer assemblage of tech that store, process, and make use of
data in an organizational setting
Data - answer raw, unorganized facts
Most Popular IS Architecture Supporting Modern IS - answer-3 tier
-presentation tier
-application tier
-data tier
Presentation Tier - answer-user interface
-communication layer
Application Tier - answer-logic or middle tier
-data processing and manipulation b/t presentation and database tier
Data Tier - answer-database tier
-back end
-where info processed by app is stored and managed
Distinctive Characteristics of Modern Information Systems - answer-do not exist in
isolation and receive data from and send data to other systems
-inter organizational
What are not information systems? - answer-websites
-computer monitors
-laptops
-servers
Enterprise Software/System - answer-broadly used term for software apps used in
enterprise setting
Value - answeramount customer is willing to pay for resource, product or service
Value Chain - answernetwork of value creating activities
, How to define successful system acquisition? - answer-worth it? money well spent?
what was gained?
-can be a technical success but an organizational failure if fails to meet needs and
expectations of customer, client, or user group
-must meet business goals
IT Service Firms - answer-help other companies develop info systems from scratch
-employ consultants with domain specific experience
-hire when lack resources to develop in house system
-pros - highly customizable, high quality
-cons - time and cost
How to choose IT service firms? - answer-internally develop requirements
-write RFP
-evaluate proposals submitted by vendors and choose
Pre-Packaged Info System - answer-lots of industry specific ones
-2 types - turnkey and nonturnkey
-ERP is one
-pros - cheaper than build from scratch
Turnkey - answer-cannot be modified to meet specific needs
Non-Turnkey - answer-can be modified
How to choose prepackaged info system? - answerLook at:
-cost
-functionality
-vendor support
-flexibility
-documentation
-response time
-ease of install
Cloud Services - answer-fasted option
-rented or licensed from third party provider
-run at remote sites
-accessed through VPN or internet
-pay per use fees or month to month license fees
-includes SaaS and hardware as a service
-pros - freeing IT staff, faster than internal development, lower cost, easy to get out
-cons - reliability, security
-ex: AWS
Open Source Systems - answer-free to use and code is available to everyone, get to
see the code
Information - answer data processed, organized, structured, and presented in relevant
or meaningful context
System - answer assemblage of things or parts forming a complex or unitary whole
Information System - answer assemblage of tech that store, process, and make use of
data in an organizational setting
Data - answer raw, unorganized facts
Most Popular IS Architecture Supporting Modern IS - answer-3 tier
-presentation tier
-application tier
-data tier
Presentation Tier - answer-user interface
-communication layer
Application Tier - answer-logic or middle tier
-data processing and manipulation b/t presentation and database tier
Data Tier - answer-database tier
-back end
-where info processed by app is stored and managed
Distinctive Characteristics of Modern Information Systems - answer-do not exist in
isolation and receive data from and send data to other systems
-inter organizational
What are not information systems? - answer-websites
-computer monitors
-laptops
-servers
Enterprise Software/System - answer-broadly used term for software apps used in
enterprise setting
Value - answeramount customer is willing to pay for resource, product or service
Value Chain - answernetwork of value creating activities
, How to define successful system acquisition? - answer-worth it? money well spent?
what was gained?
-can be a technical success but an organizational failure if fails to meet needs and
expectations of customer, client, or user group
-must meet business goals
IT Service Firms - answer-help other companies develop info systems from scratch
-employ consultants with domain specific experience
-hire when lack resources to develop in house system
-pros - highly customizable, high quality
-cons - time and cost
How to choose IT service firms? - answer-internally develop requirements
-write RFP
-evaluate proposals submitted by vendors and choose
Pre-Packaged Info System - answer-lots of industry specific ones
-2 types - turnkey and nonturnkey
-ERP is one
-pros - cheaper than build from scratch
Turnkey - answer-cannot be modified to meet specific needs
Non-Turnkey - answer-can be modified
How to choose prepackaged info system? - answerLook at:
-cost
-functionality
-vendor support
-flexibility
-documentation
-response time
-ease of install
Cloud Services - answer-fasted option
-rented or licensed from third party provider
-run at remote sites
-accessed through VPN or internet
-pay per use fees or month to month license fees
-includes SaaS and hardware as a service
-pros - freeing IT staff, faster than internal development, lower cost, easy to get out
-cons - reliability, security
-ex: AWS
Open Source Systems - answer-free to use and code is available to everyone, get to
see the code
