how well do you know your pc   ?

in this part of the series  i am explaining  five terms related to the internet

username

everything you visit  a social networking site  or email  , the page  asks  for a username .username is a name that uniquely  identifies  someone on a computer system /website .it's what you create  when  you sign up for  a new  account .you don't need to key in your name  as username ,you  can use any word or combination  of letter and number . however  make sure  to remember  your  username  as it  is your identified  on  a particular website

domain name 

this is unique  name that identified a website .simply put, it's like  a website's address .a domain  name usually contain the name  of the  website and a domain suffix  such  as.com or .org  for example  the domain name for face book  would  be "facebook.com"  the domain  suffix  explain  the type of website.com means it is  a commercial website ,while .gov means it is a government website.

offline 

as the name suggest ,offline means  you are  not connected to the network . hence  ,your  computer  cannot  download data from  webpages or communication  with other  webpages or computers. there are  some browsers  and email  programs that allow you to work  offline , but working offline  will not  offer  you  the same  experience as being online 

password

along  with username  a website will ask for the password  . this is usually  a secretive  combination  of the letters, numbers  and symbols , known only to the user  . the process of keying  in your  username   along  with your  password  is known as login  .while  you  can share  your username  with people  keep  your password  to yourself  as this what  protect your account . keep  changing   your  password  periodically  and always  set  a strong  one that you  can  remember .

search engine 

simply put, google and bing  are search engines  that index  millions of wed so that  you  can  locate  websites  easily even  if you  don't  know the URL  .search engines periodically crawl  the web  and   create  a database  of websites  that they  pull out for you based on the keywords you enter