Sunday, May 22, 2011

INFORMATION TECHNOLOGY - Some Basic facts To Boost Up Yourself

 1. Shut down tour PC 100 times faster :
                       
               Press ctrl+alt+del.
  • open task manager . 
  • Click shut down . 
  • While holding the ctrl key pres TURN OFF.......       :)

2. Erase Hard Disk error and keep speedy ....................... :
              Run > cmd > chkdsk . Press ENTER..                                                                    :)

3. Difference between Kbps and kbps ?
             Kbps : Kilobytes per second (It is Ur pc's downloading and uploading speed.)
  
             kbps :  Kilobits    per second (It is ur connecion's network speed.)                           :)

4. HOW to calculate Kbps from kbps ?
   - Just divide kbps by 8 .
      eg. for a 256 kbps conection it has 32 Kbps download speed..                                       :)
5. ALL MICROSOFT OPERATING SYSTEMS :
            > DOS
            > Win 95 , 98
            > Win 2000 , 2003
            > Win XP , Vista
            > Win ME
            > Win7                                                                                                                     : )

6. SYMBOLICS.COM  - The first domain name registered on Internet on 15 March 1985.  :)
7. What is meant by DDR3 ???
>  Double Data Rate - 3 SD RAM
    It is a modern kind of dynamic RAM with a high bandwidth interface.
8. WHAT is meant by a Proxy Server ?
>  It's a server  (a computer system or an application ) that acts as an intermediate for requests from clients.                                                                                                    :)
9. FULL FORM OF VIRUS :
 
              >  V - Vital      I - Information         R - resource       U - Under      S - Seize.           :)
10. Some Important File Extensions :
   
> .GIF = Graphics Interchange Format
> .AAc = Advanced Audio Coding (Nokia Audio File)
> .RA = Real Audio
> .RM = Real Media
> .doc = MS - Word file 2003 and earlier
>  .xls = MS - Excel File

>  .jpeg = Joint Photographic Experts GRP                                              :)

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