What is Scanner

                                    Scanner:-

Scanner  anivary bhago ke sreni me nahi aata hai. Ese hum jaroorat  padne per aalag se jod sakte hai. Scanner ke duara hum kisi dudtabaj  ko photo ke roop me computer me input ker sakte hai.

             Scanner se hum kisi hath se likhe dustawaj ko computer ke input kar sakte hai. Aur baad me use process karke mancha paridam prapt kar sakte hai. Sacanner ko bhi CPU me lagi port me joda jata hai.

Front Part of Cpu

                               The Front Part of System Unit:-

Es bhag me dikne wale bibhinn avyab is prakar hai………………………

1. Power Switch:- Eska prayog PC ke liye  light ko Chalu(on) ya OF karne ke liye kiya jata hai.
2. Reset Button:- Es button duara aap power supply band kiye bina hai computer ko dobara chalo(on) ker sakte hai.
3. Light:- System Unit ke agle panel me kai tarah ke soochak battiya  hoti hai. Jinme power aur turbo sanket samil hai. In battiyo ka prayog yah darshane ke liye kiya jata haiki kaya  hard disk, Floppy disk ya CD-ROM ko pada ya likha ja sakta hai.
4. Floppy Disk:- Eska prayog floopy disk me jama data ko padne ke liye kiya jata hai. System unit me ek Slot hota hai. Jisme floppy disk ko dala jata hai.
5. CD-ROM Drive:- Esaka prayog CD-ROM disk me sanchit data ko padne ke liye kiya jata hai.

Operating System

                     Types of Oprating System:-

Phale oprating system devices ke mohtaj the Devices depand software product kebal kuch prakar ke computer ko chalate them jab manufacture naye computer model introduce karte hai, to bo software improved aur alag operating system produced karte hai. Problems tab uthti hain. Jab user computer model ya manufacturing ko chodna chate hain. User je application software akser naye computer per kam nahi karte hain. Koynki application software ek visist operating system ke sath ka karne ke liye design kiye gaye hote hai kuch operating system abhi bhi devices depand hai.

Ab device- Indented operating system aa gaye hai jo kai manufacturing ke computers oprate karte hai device- Indented operating system ka profit  ye hai ki yadi aap computer model ko badal bhi de to bhi aap maujada applications software aur data files ko rakh sakte hai.