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What is a computer? A  computer  is an electronic device that manipulates information, or data. It has the ability to  store ,  retrieve , and  process  data. You may already know that you can use a computer to  type documents ,  send email , play games , and  browse the Web . You can also use it to edit or create  spreadsheets , presentations , and even  videos . Watch the video below to learn about different types of computers. Looking for the old version of this video? You can still view it  here .  software Before we talk about different types of computers, let's talk about two things all computers have in common:  hardware  and software . Hardware  is any part of your computer that has a  physical structure , such as the keyboard or mouse. It also includes all of the computer's internal parts, which you can see in the image below. Software  is any  set of instructions  that tells the...

A  blog  (a  truncation  of " weblog ") [1]  is a discussion or informational  website  published on the  World Wide Web  consisting of discrete, often informal diary-style text entries (posts). Posts are typically displayed in  reverse chronological order , so that the most recent post appears first, at the top of the  web page . Until 2009, blogs were usually the work of a single individual, [ citation needed ]  occasionally of a small group, and often covered a single subject or topic. In the 2010s, "multi-author blogs" (MABs) emerged, featuring the writing of multiple authors and sometimes professionally  edited . MABs from newspapers , other  media outlets , universities, think tanks ,  advocacy groups , and similar institutions account for an increasing quantity of blog  traffic . The rise of  Twitter  and other " microblogging " systems helps integrate MABs and single-author blogs into the n...

Hi Iam lingadev mahananda       TODAY TOK TO OPERATING SYSTEM The operating system(OS) which is a software that organizes and control all the component of a computer. All computer needs an operating system to function. in early days(and even to day also) the commonly use operating system was  disk operating system or commonly known DOS. it is a single user character mode based operating  system. we have to understant and learn of commands to work and operate the computer and it was not at all user friend ly. To over come the short comings of Disk Operating System and to make the operating system  more powerfull and user friendly, a new operating system  was lunched by Microsoft USA. The basic idea of lunching this operating system  was to make a Graphical User interface (GUI) bet ween the ccomputer and its user the earlier version of Windows were it self a progrome Which operate on  dos but after that window it self valued as an operating sys...

  I am lingadev mahananda I hope today COMPUTER  INTRODUCTION TO WINDOWS      When we switch on your computer, the welcome screen Will be displayed. There compyter Will promptfor entering Username and password are defined dyring the process of instllation and we have to five the same username and password to gain access to our Computer Click on your username/ picture and if asked,then type your pass word and press enter key