History of Operating system

History of Operating system

  • In early times if we want to change what computer is doing we have to change the wires but later on, it was replaced by Operating system.
  • The instructions were given to the computer with punch cards and magnetic tape.
  • If we wanted to run the different program, we have to wipe out the first program from memory and then load another program into memory.
  • To run more than one program at a time, we need a “Boss” program that controls all the other programs
  • “Boss” program is basically an operating system.
  • Microsoft MS-DOS was one of the first operating systems for personal computer
  • No mouse, Instead you had to type a lot of special computer command
  • In the 1980s’ operating system are developed where you could move a mouse around and click on things instead of typing commands
  • Digital equipment corporation created several operating systems for its 16-bit PDP-11 machine’s the time-sharing operating systems and the RSX-11 family of real-time operating system
  • In 1970’s a new class of Small computer’s are introduced.
  • Featuring 8bit processor along with input and output interfaces as much RAM as practical these systems start out as kit- based hobbyist computers but evolved into essential business tools
  • In 20 November 1985’ window 1.0 was released as the first version of the Microsoft Windows line
  • It was as a graphical, 16-bit multiple tasking shell on top of an existing MS-DOS installation
  • In 15 December 1999 window 2000 was released
  • It was produced by Microsoft it was used is an operating system for use on both client and server computer
  • Window XP is a personal computer operating system. It’s produced by Microsoft
  • It was released to manufacturing on 24 August 2001
  • In 2009 July 22 window 7 was introduced
  • Window 7 is a personal computer operating system produced by Microsoft
  • Window 8 is a personal computer operating system and released to manufacturing on 1st August 2012.
  • It is developed by Microsoft as a Pat of the window NT family of OS.
  • It was released on 29 October 2012its features a flat user interface based on Metro design language.
  • Window phone 8 is a second generation of window phone mobile operating systems from Microsoft
  • Android was released in 2017.
  • Initially developed by Android lnc, Google bought in 2005
  • Android’s is a mobile operating system. It is based on Linux kernel and currently by the Google with a user interface based on direct manipulation it’s designed primarily touchscreens mobile phones
  • IoS a type of Operating system like Android enables useri to used smart phone
  • The main credit of development of IOS’s is goes to STEVE Jobes
Fazal Rehman Shamil
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