Comparison and/or Contrast

Compare or contrast means to determine the similarities or differences between two or more elements, people, ideas. This is a common technique by the author of a text in order to present alternatives when choosing something.

Example:  

Electronic Engineering vs Electrical Engineering

Normally engineers of electrical and electronic argue about which of his specialties is better or more complete on the one hand we have the electronic engineering is a branch of engineering that uses electricity, in particular the electronics to solve problems such as control industrial processes, processing power for the operation of various devices and has application in various industries, in turn the electrical engineer is the field of engineering that deals with the study and application of electricity, electronics and electromagnetism. Apply knowledge of sciences such as physics and mathematics to generate, transport, distribute and use electrical energy.  

Eng. electronic was born as a need to manage devices and small circuits that were needed in electrical engineering, for this reason between the computer and electrical engineer born ing. electronics.  

Have the management and study similarities of the laws of electricity and electric circuits: Ohm's law, Kirchoff, electromagnetism and electromagnetic fields, to mention just some of the areas that share the electrical and electronic equipment.
These are some of the materials listed in the curriculum of the Eng. and Electrical Eng. Electronics: 

*Calculus and physics  
*Electric Circuits  
*Fields and Electromagnetic Theory 
 *Electronic digital analog power  

Moreover a ing. specializes in electrical generation, transmission, distribution and marketing of electricity. Make and build devices and machines that use electricity or processed. They specialize in handling large power systems, electrical substations, power plants, among others.
A ing. Electronic design, build and manipulate electronic devices in different areas, handle integrated circuits, but handle playing with the ing. Power established. 

Source: http://es.answers.yahoo.com/question/index?qid=20090121135522AAzBAYl

* Graphic Organizer: The Comparison Matrix