This document provides an overview of computers and the internet. It discusses the history of computers from the first generation in 1946 through the development of integrated circuits and microprocessors. It also outlines various input and output devices, storage devices, and types of internet connections. The advantages of computers and the internet include communication, entertainment, and access to information, while disadvantages include privacy and security concerns.

1. -By Austin Gangar

2. Meaning of Computer
1.Mechanical Devise
2.Accepts Input
3.Provides Output

3. Types of Computers
Personal computer
Notebook computer
Personal Digital Assistant

4. HISTORY OF COMPUTERS
1st Generation
(1946-ENIAC)
1.Vaccume tubes
2.Memory of
mercury &
magnetic drums
3.Huge

5. 2nd Generation (Late-1950’s)
1.Tubes with transistor
2.Memory with
magnetic cores
3.Size reduced

6. 3rd Generation (1964-IC)
1.Integrated circuits
2.Online system
3.Magnetic tapes

7. 4th Generation (Mid-1970’s)
1.Chips introduced
2.Microprocessor, PC
3.Accuracy
4.Increased efficiency

8. 5th Generation (Future Computer)
1.Sophisticated
2.Artificial intelligence

9. INPUT DEVICES
 Keyboard, Mouse
 Joysticks
 Touch Screen
 Scanner
 Voice, Audio Input
 Web Cams, Digital
Camera

10. OUTPUT DEVICES
 Monitor
 Video Card
 Printers
Dot-matrix, Ink-jet, Laser
Printer
 Speakers

11. STORAGE DEVICES
Floppy Disk
Hard Disk
Compact Disk
Pen Drive

12. Advantages of Computers
• Create Correspondence
• Entertainment
• Communication
• Educational Purpose
• Training Purpose
• Speed, Accuracy

13. Disadvantages of Computers
Incapacity to take Decisions
Reduces I.Q
Requires Proper Maintenance
Leakage of private, confidential data
Prolonged use may damage eyesight

14. Meaning of Internet
Sharing of information
Network of networks
History of Internet
1970’s- ARPANET,
1982-IP (www),
1990’s-ISP

15. Types of Internet Connection
• Telephone
• Cable
• Modem
• ISP

16. Advantages of Internet
Communication
Entertainment
Information
Chatting
E-Commerce
Other Services

17. Disadvantages of Internet
No secrecy of personal data
Spamming
Threat of virus
Pornography

18. CONCLUSION
Mechanical Services Rendered
Motive Is Wellbeing Of Humans
Depends On Uses

19. “Thank you”