1. By Archana Chitta

2. Contents Computer History & Varieties Pen-style gadget- the 5 pen PC  Introduction  Components of 5 pen style gadget  Block diagram  Battery for pens  Merits  Demerits  Conclusion Computers in Future……..

3. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcomputers Microcontrollers ……….

4. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcomputers Microcontrollers ………. Computing machine- logarithmic tables. Analytical engine- --General purpose comp

5. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcomputers Microcontrollers ……….

6. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcomputers Microcontrollers ……….

7. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcomputers Microcontrollers ……….

8. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcomputers Microcontrollers ……….

9. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcontrollers Microcomputers ………. DSP: Digital Signal Processor

10. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcontrollers Microcomputers ………. HP Compaq microcomputer Apple i-Mac computer Laptop..

11. Computer History & varieties Abacus-4 th century B.C Charles Babbage- ( 1791-1871 ) ENIAC – 1946 Varieties Super computers Mainframes Workstations Microcontrollers Microcomputers ………. Tablet-pc PDA-palmtops Gadgets.. Sub-notebooks

12. Are they pens with cameras…?? Hope you get now…!!

13. Pen-style gadget P-ISM is a gadget package including five functions: virtual keyboard, a very small projector, a pen style cellular phone with a handwriting data input function, camera scanner, and personal ID key with cashless pass function. Amazing technology from Japan – 5 pen pc By NEC

14. Components of Pen-PC

15. Block diagram of P-ISM

16. CPU Pen The functionality of the CPU is done by one of the pen. It also serves as computing engine.

17. Communication Pen P-ISMs are connected with one another through short-range wireless technology. They are connected through wireless modes which are made small and kept in a small pen like device. This pen also serves as a pointer device. Stores to memory what ever it writes..

18. Virtual Laser Keyboard

19. Digital Camera

20. LED Projector

21. Battery  The most important part in the portable type of computer is its battery.  Usually batteries must be small in size and work for longer time.  It comes with a battery life of 6+. For normal use it can be used for 2 weeks.  The base stand is act as charging device and also storage area.

23. Merits Portable Feasible Ubiquitous computing is done. Wi-Fi technology

24. Demerits o Currently Unclear o Keyboard Concept Is Not New o Positioning is main

25. Conclusion The communication devices are becoming smaller and compact. This is only an example for the start of this new technology. We can expect more such developments in the future.

26. Computers in Future….. E-book with dual monitor Solar notebook Rolltop – very flexible Flexible foil Paper pc