Some facts about computers & its Operating Systems

Some facts about computers & its Operating Systems

• The first computers were developed between 1940 to 1945.
• Konrad Zuse, In 1941 developed “Z3”, the first modern computing machine.
• Konrad Zuse is known as “the inventor of computers”.
• ENIAC (Electronic Numerical Integrator & Computer) was the first US-built electronic computer.
• ENIAC was developed by John Mauchly and J. Presper Eckert.
• The world’s first stored-program computer was “Manchester Baby” developed in 1948.
• The “Manchester Baby” was a small-scale experimental computer developed in Victoria university of Manchester.
• In the 1st generation of computers, Computers were built with vacuum tubes.
• In 1957, FORTRAN (Formula Translator) was introduced.
• Computers were built with Transistors in the 2nd generation of computers.
• In the 3rd generation of computers, Transistors were replaced with Integrated Circuits.
• In the 4th generation of computers, Microprocessors were used to built Computers.
• In 1981, IBM PC with Intel processors and MS-Dos were introduced.
• In 1984, Macintosh Computers were introduced.
• In 1985, Microsoft Windows GUI was introduced.
• In 1989, Intel 486 computers were introduced.
• In 1990, Windows 3.0 operating System for PCs was launched.
• In 1991, the World Wide Web was introduced to the general public.
• In 1991, Linux operating was developed.
• In 1993, Intel’s Pentium was introduced.
• In 1995, windows 95 operating system was made released.
• In June, 1996 Windows 4.0 operating system was released.
• On February 17, 2000, Windows 2000 was released.
• Windows XP was released on 25th October, 2001.
• On November 30th, 2006 Windows Vista was released.
• On July 22nd 2009, Windows 7 was introduced.
• On Windows 8, the successor of Windows 7 was released on October 28th, 2012.