ZOHO

Tuesday, December 28, 2010

Systems Forum Post

(1) "A Systems Theory is the transdisciplinary study of the abstract organization of phenomena, independent of their substance, type, or spatial or temporal scale of existence." A systems theory investigates both the principles common to all complex entities and mathematical models to describe the systems. Systems theory was proposed in the 1940's. Systems theories were proposed by the biologist Ludwig von Bertalanffy and furthered by Ross von Bertalanffy. Their purpose was reacting agaInst reductionism and attempting to revive the unity of science.
(2)
Systems can be identified structure. "A real system is any system of matter and/or energy. An abstract or analytic system is a pattern system whose elements consist of signs and/or concepts." Abstract systems are information. One or more elements that show no pattern of change is a nonsystem. Change is measured relative to a reference. A "system" can be viewed as both a system and a nonsystem depending on the researcher's purpose.
(3) "The family systems theory is a theory introduced by Dr. Murray Bowen that suggests that individuals cannot be understood in isolation from one another, but rather as a part of their family, as the family is an emotional unit. Families are systems of interconnected and interdependent individuals, none of whom can be understood in isolation from the system." Members of this system respond to each other according to their role. Roles are determines by relationship agreements. With maintained patterns in this system there can be family balance.



(1) http://pespmc1.vub.ac.be/systheor.html
(2) http://www.survey-software-solutions.com/walonick/systems-theory.htm
(3) http://www.genopro.com/genogram/family-systems-theory/

Saturday, December 25, 2010

Assignment 1

Transaction Processing Systems-

In the 1950’s computers were used to perform common business applications. Now Transaction Processing Systems are used by most everybody. I found that the following features are included in real time transaction processing systems: There needs to be Good data placement: The database should be designed to access patterns of data from many simultaneous users. There also needs to be Short transactions: Short transactions enables quick processing. This avoids concurrency and paces the systems. Another feature is Real-time backup: Backup should be scheduled between low times of activity to prevent lag of the server. High normalization is important: This lowers redundant information to increase the speed and improve concurrency, this also improves backups. Archiving of historical data: Uncommonly used data are moved into other databases or backed up tables. This keeps tables small and also improves backup times. Lastly Good hardware configuration: Hardware must be able to handle many users and provide quick response times.

In Transaction Processing Systems, there are 5 different types of files. The TPS uses the files to store and organize its transaction data: Master file, Transaction file, Report file, Work file and Program file.
Transaction Processing Systems are organized collections of people, procedures, software, databases and devices used to record completed business transactions. Transaction Processing Systems also collect, store, modify, and retrieve the transactions of an organization.