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Evolution of Information Systems, Daniela Guzmán Estrada, LIA D7 - Coggle…
Evolution of Information Systems
According to Nolan, the role of information technology in organizations evolves through certain stages of growth.
Start stage:
Systems are managed
by an administrator.
There is an operator
and programmer.
Implementation of
transactional systems
Payroll
Accounting
Implementation of the first information system.
First computer.
Contagion or expansion stage:
Successful implementation of the
first information system in the organization.
Proliferation of applications in the organization.
A specialist is hired.
Recruitment of specialized personnel:
Positions are created:
Programmer analyst
Systems programmer.
Systems analyst.
Development manager.
Technical support manager.
A plications lack automatic interfaces.
Low quality of the systems.
Control or formalization stage:
Controlling the use of
computational resources.
Applications oriented to
operations control.
Development of new applications.
Implementation of standards:
Documentation standards
Systems development and design
Project control
Systems auditing
Programming
Administrative skills.
Development of automatic interfaces.
Integration stage.
New technologies:
System administrators
Database
Decreases the cost of
equipment and software:
User outreach.
Development of new systems
Replacement of old systems.
Data management stage:
Knowing the information:
Accessible to users.
Storing and maintaining the
data in an appropriate manner.
Responsibility for the information.
Maturity stage:
Organizational information:
Defined as basic function.
Systems development:
Manufacturing systems
Knowledge-based and expert systems.
Decision support systems
Strategic systems
Introduction to applications
developed in database technology.
Set prices for computing services.
The idea of making the systems area independent is born.
Good communication is maintained
with the General Management.
Daniela Guzmán Estrada
LIA D7
