COMPUTER GENERATIONS.

     "Generation" in computer talk provides a framework for the growth of computer industry based on key technologies developed.Originally, it was used to distinguish between hardware technologies but was later extended to include both hardware and software technologies.
       The custom of referring to computer era in terms of generations came into wide use only after 1964.There are total five computer generations known until today.
       Below are given some images showing five computer generations with their key technologies and characteristics:

 HERE IS MY ITC ASSIGNMENT ON COMPUTER GENERATIONS :

https://drive.google.com/file/d/0B-jHIiHMYfdqaUNtMHhjaFFwLXM/view?usp=sharing