10 GB ki File 8 GB Kaise Ban Jaati Hai? File Compression ka Sach

File Compression Kya Hota Hai Aur Ye Kaise Kaam Karta Hai?

Jab aapke paas koi badi file hoti hai, jaise ki koi movie, software ya document, to aap use ZIP, RAR ya 7z format me convert karte hain. Aisa karne se file ka size kam ho jata hai. Agar 10 GB ki file compress hokar 8 GB ki dikhti hai, to aapke man me ye sawaal zaroor aata hoga ki wo 2 GB data kahan chala gaya?

Kya wo data hamesha ke liye delete ho gaya? Kya aapki file kharab ho gayi? Is article me hum isi baare me aasan bhasha me baat karenge. Hum janenge ki computer files ko compress kaise karta hai aur wo 2 GB data asal me kahan gayab hota hai.

Wo 2 GB Data Kahan Chala Jaata Hai?

Sabse pehle ye samajhna zarouri hai ki koi data delete nahi hota hai. Agar aapki file ZIP ya RAR format me hai, to wo 2 GB data gayab nahi hua hai, balki use sirf alag tarike se likha gaya hai. Isko hum ek chote se udaharan se samajhte hain.

Sochiye ki aapko ek paper par 100 baar 'A' likhna hai. Agar aap poora 'A' aage tak likhenge, to bahut saari jagah gheregi. Lekin agar aap likhte hain ki 'A' ko 100 baar padho, to wo baat bahut chote me aa jayegi. Computer bhi yhi karta hai. Wo repeated data ko chote code me badal deta hai.

Redundancy Aur Repetition Ka Khel

Duniya ki zyadatar files me bahut saara data baar-baar aata hai. Ise computer ki bhasha me Redundancy kehte hain. Jab aap ek text document ya code file banate hain, to usme kai words aur spaces baar-baar use hote hain.

Compression software inhi repeated patterns ko dhoondhta hai. Jab use koi pattern milta hai, to wo use ek chota reference de deta hai. Is tarah se badi file choti ho jaati hai bina kisi zaroori jankari ko khoye hue. Is process ko hum Lossless Compression kehte hain.

Lossless Aur Lossy Compression Me Kya Antar Hai?

Jab aap ZIP, RAR ya 7-Zip ka use karke file banate hain, to ye Lossless compression hota hai. Iska matlab hai ki jab aap file ko wapas extract karenge, to aapko 100 percent wahi 10 GB file milegi jo pehle thi. Ek bhi bit ka nuksan nahi hoga.

Dusri taraf, Lossy compression me kuch data hamesha ke liye hata diya jaata hai. Jaise ki JPEG images ya MP3 songs me hota hai. Wahan humari aankhe ya kaan us chhote se badlaav ko mehsus nahi kar paate, isliye hume pata nahi chalta. Lekin ZIP ya RAR me aisa nahi hota, wahan data safe rehta hai.

Kyun Kuch Files Kam Compress Hoti Hain?

Aapne shayad notice kiya hoga ki sabhi files ek jaisi compress nahi hoti hain. Agar aapke paas koi aisi file hai jo pehle se hi compressed hai, jaise ki ek MP4 movie, ZIP file ya JPG image, to wo aur zyada choti nahi hogi.

Aisa isliye hota hai kyuki aisi files ka data pehle se hi optimize aur random hota hai. Unme koi extra repetition nahi bachti hai jise software dhoondh sake. Isliye agar aap 10 GB ki movie ko ZIP karenge, to ho sakta hai wo 9.9 GB hi ho, jabki 10 GB ke text documents aaram se 2 ya 3 GB ke ho sakte hain.

Conclusion

Toh ab aap samajh gaye honge ki jab 10 GB ki file 8 GB ki ho jaati hai, toh wo 2 GB data kahin gayab nahi hota. Wo sirf ek smart tarike se pack ho jata hai taaki internet par bhejte ya computer me store karte waqt kam jagah le. Jab aap use dobara kholte hain, to computer usko fir se original 10 GB me badal deta hai.

Aap Microsoft Windows ya Apple macOS ke built-in tools ka use karke bhi files compress kar sakte hain. Agar aapko aur behtar compression chahiye, to aap specialized software ka use kar sakte hain jo aapke device par jagah bachane me madad karte hain.