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     10 Search Engines There are many search engines in the world, here are 10 among them. Note:- The order is not on the basis of ratings.   1 Google   Owner – Google Founded on September 4, 1998    Founders - Sergey Brin, and Larry Page   Google home screen (Mobile screenshot) 2 Bing   Owner – Microsoft Launched on June 3, 2009 Created by Microsoft Bing home page (Mobile screenshot)   Bing home page (Desktop screenshot) 3 Yahoo   Parent - Verizon Media Founded on January 1994 Founders - Jerry Yang, and David Filo Yahoo home page (Desktop screen shot) Yahoo home page (Desktop screenshot) 4 Yandex search   Owner - Yandex Founded on 23 September 1997) Created by Arkady Volozh, Arkady Borkovsky, and Ilya Segalovich   5 Duckduckgo   Owner - Duck Duck Go, Inc. Launched on September 25, 2008 Created by Gabriel Weinberg   6 Ask   Owner - IAC Founded on June 3, 1996 (as Ask Jeeves) Created by Garrett Gruener, David Warthen, a

Linux distributions   Note •If you need to download or learn more about any of the operating systems which given below, just click on the icon of that OS Ubuntu Ubuntu is a linux based free and open-source Operating system developed by  Canonical  LTD. Ubuntu can be use in desktop,server, cloud and IoT. All these editions can run on the computer or in a virtual machine. Ubuntu Touch the mobile operating system is also available. Chrome OS Chrome OS is a linux based operating system developed by Google. It uses Google chrome web browser as it's principal user interface. Learn more about Chrome OS features Debian Debian is a linux(Unix-like) based free and open-source operating system developed by The Debian Project. It's Initial release is on September 1993. Linux Mint Linux Mint is a linux based free and open-source operating system developed by Clément Lefèbvre, Jamie Boo Birse, Kendall Weaver, and community. It's Initial release is on 27 August 2006. Fedora Fedora is a li

Mozilla developed so many browsers for different uses. Did you know what are these browsers?  if you don't know. Here you can find some of the browsers  from Mozilla. Watch a video 1. Mozilla Firefox web browser Mozilla Firefox or simply known as Firefox, eyes free and open source web browser developed by Mozilla foundation and its subsidiary(Mozilla corporation). It is a fast, secure and powerful browser. Features •New Tab page  : great  content at your fingertips. •Search everything with the unified search/address bar. •Page Actions menu: Bookmark, snap, save or share. •Private Browsing with Enhanced Tracking •Protection: Browse fast and free. •Keep your Firefox in sync. •Home is just a click away. •Customize the menu or the toolbar. 2. Firefox beta

  Various input and output devices in a computer Input or output devices are required for users to communicate with the computer. These input/output devices are connected to the cpu through various ports or with the help of wireless technology. Input devices In simple terms, input devices feed data and instructions into the computer. •Various types of input devices: Keyboard Allows the user to input text data consisting of alphabets , numbers and other characters. Detects the key pressed and generates the corresponding ASCII Code which can be recognised by the computer . Wired and wireless keyboards are available. Mouse A small handheld device used to position the cursor or to move the pointer on the computer screen by rolling it over a mouse pad or in a flat surface . Different types of mouse are ball, optical and laser mouse . Wireless mouse is also available. Light pen A pointing device shaped like a pen. Has the advantage of 'drawing' directly on to the screen. Used by engi

  When rays of light pass through a colloidal fluid for suspension, the tiny particles get illuminated due to scattering. Because of this, the path of light is made visible. This phenomenon is tyndall effect.