1. The History Of Computers Corie DeLashmutt

2. First Generation The Vacuum Tube Age (1951-57) R1951-Dr. John W. Mauchly and J. Presper Eckert Jr. introduce the UNIVAC, the first commercially available electronic digital computer RComputers were built with Vacuum tubes - electronic tubes that were made out of glass and were about the size of light bulbs R1951-Dr. John W. Mauchly and J. Presper Eckert Jr. introduce the UNIVAC, the first commercially available electronic digital computer RComputers were built with Vacuum tubes - electronic tubes that were made out of glass and were about the size of light bulbs

3. Continued…. R1952- Dr. Grace Hopper introduces the A6 Compiler, the first example of software that converts high-level language symbols into instructions that a computer can execute R1951-1953- IBM adds computers to its business equipment products and sells over 1,000 IBM 650 systems R1957- Introduction of first high-level programming language-FORTRAN (FORmula TRANslator) R1952- Dr. Grace Hopper introduces the A6 Compiler, the first example of software that converts high-level language symbols into instructions that a computer can execute R1951-1953- IBM adds computers to its business equipment products and sells over 1,000 IBM 650 systems R1957- Introduction of first high-level programming language-FORTRAN (FORmula TRANslator)

4. Second Generation The Transistor Age (1958-63) RThis generation began with the first computers built with transistors, small devices that transfer electronic signals across a resistor - these new computers were faster, smaller and more reliable than the first generation RThis generation began with the first computers built with transistors, small devices that transfer electronic signals across a resistor - these new computers were faster, smaller and more reliable than the first generation

5. Continued…. R1958- Introduction of computers built with transistors-a 1947 Bell Laboratories invention R1959- Introduction of the removable disk pack and General Electric Corporation introduces ERMA R1964- IBM introduces its system/360 line of compatible computers, which can all use the same programs and peripherals R1958- Introduction of computers built with transistors-a 1947 Bell Laboratories invention R1959- Introduction of the removable disk pack and General Electric Corporation introduces ERMA R1964- IBM introduces its system/360 line of compatible computers, which can all use the same programs and peripherals

6. Continued …. 1965- Introduction of the BASIC programming language, and the Digital Equipment Corporation introduces the first minicomputer R1969- Introduction of ARPANET and the beginning of the Internet!!!!! 1965- Introduction of the BASIC programming language, and the Digital Equipment Corporation introduces the first minicomputer R1969- Introduction of ARPANET and the beginning of the Internet!!!!!

7. Fourth Generation The Microprocessor Age (1970-1979) R1970- Introduction of computers built with chips that used LSI (large-scale integration) R1975- The MITS, Inc., Altair becomes the first commercially successful microcomputer, selling for less than $400 a kit R1977- Apple introduces the easy to use “hobbyist” computer R1979- Introduction of the first public information services-Compuserve and the Source R1970- Introduction of computers built with chips that used LSI (large-scale integration) R1975- The MITS, Inc., Altair becomes the first commercially successful microcomputer, selling for less than $400 a kit R1977- Apple introduces the easy to use “hobbyist” computer R1979- Introduction of the first public information services-Compuserve and the Source

8. Fifth Generation The Age of Connectivity ( 1980-present) R1980-IBM asks Bill Gates to develop an operating system R1981- Introduction of the IBM PC, which contains an Intel microprocessor chip and Microsoft’s MS-DOS operating system R1984- Apple introduces the Macintosh Computer, with a easy-to-use graphical user interface R1985-Microsoft introduces its Windows graphical user interface R1980-IBM asks Bill Gates to develop an operating system R1981- Introduction of the IBM PC, which contains an Intel microprocessor chip and Microsoft’s MS-DOS operating system R1984- Apple introduces the Macintosh Computer, with a easy-to-use graphical user interface R1985-Microsoft introduces its Windows graphical user interface

9. Continued….. R1990- Microsoft releases Windows 3.0 R1991- Release of the World Wide Web standards that describe the framework of linking documents on different computers R1992- Apple introduces the Newton Message Pad, a personal digital assistant (PDA) that incorporates a pen interface and wireless communication R1990- Microsoft releases Windows 3.0 R1991- Release of the World Wide Web standards that describe the framework of linking documents on different computers R1992- Apple introduces the Newton Message Pad, a personal digital assistant (PDA) that incorporates a pen interface and wireless communication

10. Continued….. R1995- Intel begins shipping the Pentium Pro microprocessor R1995- Microsoft releases Windows 95 R1996 More than 50 million PCs sold and more thsn 250 million PCs in use worldwide R1998- Microsoft releases Office 98 integrated with Internet Explorer 4.0 R1999- First virus is released which infects over 1 million computers, that uses Outlook contacts to send itself via e-mail R1995- Intel begins shipping the Pentium Pro microprocessor R1995- Microsoft releases Windows 95 R1996 More than 50 million PCs sold and more thsn 250 million PCs in use worldwide R1998- Microsoft releases Office 98 integrated with Internet Explorer 4.0 R1999- First virus is released which infects over 1 million computers, that uses Outlook contacts to send itself via e-mail

11. Continued….. R2000- Napster is prohibited from traded copyrighted music on its site R2001- Microsoft releases Windows XP and Office XP R2003- Apple opens the iTunes music store with over 700,000 songs that users can buy and download for $.99 R2005- Wireless connections to the internet(WiFi) allow the public to to access the internet at airports, hotels and many cafes R2000- Napster is prohibited from traded copyrighted music on its site R2001- Microsoft releases Windows XP and Office XP R2003- Apple opens the iTunes music store with over 700,000 songs that users can buy and download for $.99 R2005- Wireless connections to the internet(WiFi) allow the public to to access the internet at airports, hotels and many cafes