Computer aaj ke time humara part of life ban gaya hai. Computer ke karan aaj humara ha work easy ho gaya hai jaise Ticket booking, online shopping, Business, Banking, School, Colleges etc.

Computer Automatic electronic machine hai jo kisi bhi kam ko kam samay me karta hai. Starting me Computer ko kewal calculation karne ke liye banaya gaya tha lekin bad me isme advanced feature add karne ke baad Computer ka use har field me hone laga.
Computer ke two main part hote hai Harware and Software, ye dono aapas me depend rahne hai jaise yadi Hardware kharab ho jaye to software kisi kam ka nahi rahta aur Yadi software kharab ho jaye to Harware kisi kam ka nahi rahta.

Computer Hardware Kya Hai
Aise part jinhe hum touch aur dekh satke hai unhe Hardware kaha jata hai jaise Keyboard, Mouse, Display, Printer, Scnanner etc. In sabhi device ho hum dekh aur touch kar sakte hai aur ye device Computer me Input aur output ka kam karte hai.

Computer Software Kya Hai
Input device dwara data ko computer me input kiya jata hai aur main roop se Input device hai Keyboard. Computer software ko hum dekh or touch nahi kar sakte jaise operating system, video player, browser etc.

Characteristic of Computer
Computer me Data ko input karne ke bad use data ko process hota hai according to rule and regulations phir uska output milta hai.
Automatic- Computer automatic system hai jo ek baad user se inputer lekar use data ko khud se age proceed karta hai aur puri process hone ke baad Data ka output display kar deta hai.
Fast Speed- Computer ki work karne ki speed high hoti hai yani lakho calculation 1 second me kar sakta hai.
Accuracy- Computer ek electronic machine hai jo Input kiye gaye data ka sahi result deta hai. Computer multiple calculation kar ke baad bhi accuracy banaye rakhta hai.
Secrecy – Computer me data ko secure karne ke liye password system hota hai. Data ko secure karne ke liye hum Authentication process laga sakte hai jisse data safe rahe.
Large Storage Capacity – Computer me data ko store karne ke liye large capacity storage hoti hai jaise Hard disk, Floppy Disk, Magnetic Tap, CD Ram etc.