1. Predictions … Thomas Watson, the founding father of IBM, declared in 1943 that the world would not need more than FIVE computers!

2. PARADIGM SHIFT Agricultural Class Industrial Revolution –Industrial Age Information Age

3. In the words of a science fiction author…. Anything that is in the world when you were born is normal and ordinary and is just a natural part of the way the world works.

4. Fantastic!! Anything that’s invented between when you are fifteen and thirty five is new and exciting and revolutionary and you can probably get a career in it.

5. Too settled for a change.. Anything invented after you are thirty-five is against the natural order of things

6. Transition Microprocessor Integrated Circuits Transistors Vacuum Tubes

7. Integrated Circuits Reliability Size Speed Efficiency Cost

8. Microprocessor A single silicon chip containing all of a computer’s computational components

9. San Jose Silicon Valley – dozens of semiconductor manufacturing companies mushroomed

10. Computers today A brief taxonomy

11. Types and kinds Computers… Desktops, Workstations Laptops, Notebooks Sub-notebooks, Personal Digital Assistants

12. Embedded systems Toys Watches Stereos Oven Washing machines All have a microprocessor implant

13. MAINFRAMES (Today they are the heroes behind the scenes!!) Key feature – TIMESHARING

14. SUPER COMPUTERS Key feature – COLLABORATING with thousands of MICROPROCESSORS

15. Digital Technology in Action Application Programs Network Application Word processing and DTP Spreadsheets and number-crunchers Databases Computer Graphics and Digital images Multimedia Entertainment Customized applications AI

16. Ethics? Personal privacy at threat High-tech crime Intellectual Property Dehumanization Abusing information for political power Bio digital Technologies

17. What do computers do? Receive Input Process Information Produce Output Store information

18. Bit Basics.. Difference between data and information Bits – Binary Digits – Binary numbering system ASCII code BYTES and NIBBLES Kilo,Mega,Giga,Tera,Peta

19. Computer Memory RAM & ROM Volatile and Non-volatile Types of ROM PROM EROM EEPROM

20. Buses and ports

21. Transportation Connect peripherals to the motherboard 32 bits and 64 bits – multi lane Connect to bays and expansion slots

22. PC Cards PCMCIA –People Can’t Memorize Computer Industry Acronyms Personal Computer Memory Card International Association

23. How fast are you? Speed – fetch execute cycle..