progress in information technology this work is licensed under a creative commons...

Progress in information technology

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Skills: none

IT concepts: technology progress versus technology, progress in storage, electronic and communication technology

Where does this topic fit?

• Internet concepts– Applications– Technology– Implications for

• Internet skills– Application development– Content creation

Information technologies

Electronic

Storage

Communication

Technology progress and technology shifts

Technology progress

1903

1905

Storage: IBM 305 RAMAC, 1956

5 million characters (6 bits each)50 two-foot-diameter disks$167,850 with no printerA nice house was $15,000 and a coke or candt bar 5 cents

Electronics: transistors

Three billion transistor integrated circuits (chips) today

First integrated circuit, 1959

First transistor, 1948

Communication: 1986, NSFNet backbone 56 kbps

Today 10 gbps is common

The first functioning laser, 1960

My first home terminal, 1973, 100 bits per second

Progress in information technology

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Skills: none

IT concepts: technology progress versus technology, progress in storage, electronic and communication technology

A few questions

We looked at storage, electronic and communication technology. What other technologies are undergoing dramatic improvement?

If the first cars got only 1 mile per gallon, and that doubled every two years, what would our mileage have been 20 years later? Thirty years later?

What is punched in this card?