ONLINE SHOPPING  WHAT is online shopping ? Jab hum internet ki help se koi bhi product , item saman purchase karte hai kharidte hai to ye humara online shopping kahlata hai.... presently...                    dekha jaye to jada tar shopping online ho raha hai....and online shopping se hume bahot sari facility bhi to milta hai and humara time v bachta hai and humare pas bahot sare options v to hote hai ki hume kon sa product ya item online ke jariye mangwana hai.... online shopping kaya hota hai ye to jan liye but hume ye nai pata hota jadatar ki kon se site se hume online purchase karna hai .... Aaj ke date me dekha jaye to ase bahot se sites aa gaya hai jo online shopping karwata hai ....But sabhi sites hume security provide nai karta kuchh sites asi hai jo hume 100% security provide karti hai... yaha per mai ap logo ko kuchh top sites ke name bata raha hu jisse ap online shopping kar sakte hai/... 1) AMAZON  2)  Flipkart 3)   Snapdeal OR bhi bahot sar

QR CODE     ( Quick Response Code) & how to create QR code  QR code is Quick Response Code. QR code ko 1994 me TOTYA GROUP  DENSO  WAVE ne banaya tha. QR code ka use hum information ko store karne ke liye karte hai ... AND link address bhi dal sakte hai... personal address ke liye bhi use kar sakte hai or v bahot se usse hai... etc. means jis types se hum BAR code ka use karte hai same ussi type se QR code ka use kiya jata hai. but QR code ko v scan kar ke dekha ja sakta hai QR scanner se . jaise ki hum market se koi v product lete hai to usme Bar code laga hota hai jada tar bar code hi laga rahta hai . But abhi presently dekhe to QR code ka v use hone laga hai ase QR code india me late se aaya but others country's me pahle se hi use hota hai. hum image 1 per dekh sakte hai kis kis work ke liye QR code banta hai  means text ke liye gmail ke liye etc . image 1. Ab hum dekhte hai ki ye QR code dikhta kaise hai...... i think ap log bar code ko to dekh h

JAVA -    Intro. of java And Definition of JAVA  - java is a programming language . java is a pure object oriented programming language . java ak true ya pure object oriented programming language hai. C and C++ ka use kar java ko develop kiya gaya hai means c and c++ me programming karne me easy nai hota tha to programmers logo ne yaha decide kiya ki c and c++ ki features ko add kar and new feature add kar ak new programming software banaya jaye . java two stage programming language hai kyoki java program ko Run karane ke liye 2 stage se hokar jana padta hai . 1st stage me compile karate hai program ko and 2nd stage me interpret karte hai to program ko  machine instruction code me convert karta hai . uske bad program RUN hota hai. James Gosling  HISTORY OF JAVA- 1990-  me sun micro system ne consumer electronic devices ke liye  ak special software develop karne ka  decision liya. and develop karne ka kam james gosling ko diya gaya .  1991- me  james gosling

WINDOWS OPERATING SYSTEM window- window System software hai jiska use hum humare system ho operate karne me karte hai.                window os ka use aaj kal mobile per bhi easly use ho raha hai.               history of window -                                    window os ko develop micro soft company (corporation ) ne kiya tha.  November  1985 ko window1.0  ko release kiya gaya , jo ki dos operating system per based tha.  but ye window utna popular nai huwa fir working process continue jari raha .  uske bad  1995 me iska ak new version aaya jo  graphical user interface (gui) tha. and user friendly bhi tha . window 95 bahot achha popular huwa . uske bad window ka new new version bahot sara aaya jo bahot achha tha and abhi bhi hum window  operating system ha use karte hai sabse jada use hone wala operating system ban gaya ha abhi window os. iske bahot se versions hai jaise like- window 95,  window me , windows me , window98, window 2000, window xp   window 7, window 8

SOFTWARE Software is a very impotent of our life , in this time. so,       software wah hota hai jo humare work ko easy kare .       software wah hota hai jo humare system ko operate kare.       software wah hota hai jo humare work ke hisab se ho, means hum jaisa work karte hai waisa hi humara software hona chahiye .(usel) .                         image 1)                   Ab ap ko ak simple way me bataunga ki software hota kya hai...  jaise ki hum mobile and computer ,laptop .. use karte hai . to humare mobile ya laptop ya computer pe jo apps (applications ) hota ha.   ( jaise ki ap uper  image 1 per dekh sakte ho ) us applications ka use hum karte hai jaise song sunna hai to media player on karte hai. and internet chalana hai to hum browser ka use  karte hai jaise uc browser, chrome , etc. ab ap samjh gaye honge ki software hota kya hai... HISTORY  Short me jante hai.... first time software ko  Ada Lovelace , in the 19th century  me likha tha. uske