Management Information Systems

Chapter 14

IT strategy is usually based on building vs buying. Looking at open source, out sourcing work, and weighing the SDLC benefits and downsides.

Vendor selection typically looks like this
Identify vendors
Determine evaluation criteria
Evaluate Vendors and Packages
Choose vendor/package
Negotiate a contract
Establish a service level agreement

Bonus

Plug IT In 1

Business process – Group of related activites that create a product or service. Inputs/outputs/services

Cross-functional processes – cross departments so no single department is responsible

Plug IT in 2

Computer Hierarchy
supercomputers, mainframe, midrange, micro computer, desktop pc

Laptop > Netbook> Tablet

I/O devices – mouse, keyboard, mic, pen, touch screen

Storage
Registers, cache memory, RAM, Read Only Memory

Secondary storage includes – magnetic tape drive, hard drives, SSD

CD-ROM – compact disk read only memory
CD-RW – rewritable
CD-R can be written on
Flash memory – no parts

Software – The applications and instructions for a computer

Plug IT in 3

Structured Query Language – SQL is the most common database query langugage.

Entity Relationship modeling – useful for designing your databases, for relationships, entities, and attributes.

Normalization – streamlining data into it’s simplest most minimal form to reduce redundancy.

Plug IT in 4 Cloud Computing

Provides on-demand services

IaaS – infrastructure as a service
PaaS – platform as a service
SaaS – software as a service

Benefits include – resources, money, increase org flexibility

Plug IT in 5 Intelligent Systems

Talks about AI and decision making.

Plug IT in 6 Project Planning

Initiation –> Planning –> Execution –> Monitoring and Control –> Completion

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