1. COMMON TYPES OF COMPUTER
• Super computer
• Mainframe computer
• Mini computer
• Work stations
• Micro computer or personal
computers
• Notebook or laptop

2. SUPER COMPUTER
• Sabse jyada powerful computer hote hai
• Kafi jyada data ko bdi jalti process krte hai
• Scientist or engineers dwara use kiye jate hai
• Analyse krne or mausam ki bhawishwani
aadi krne k liye use kiiye jaate hai
• Size me bade or cost me mehnge hote hai
• Sirf govt agencies k dwara use kiye jaate hai

3. MAINFRAME COMPUTER
• Banks me use kiye jaate hai
• Jab ek hi data ko kafi jldi 2 ya do se
jyada logo k dwara use kiya jata
hai
• Ye computer glass offices k ander
rakhe jaate hai taki inhe
aircondition se thanda rkha ja ske

4. MINI COMPUTER
• Inki performance mainframe or personal
computer ke beech hoti hai
• Ye computer input or output ko personal
computer k mukabale jyada handle krte
hai
• Ye computer bhi bahut sare computers
ko ek saath jod kr kaam krata hai
• Ye ek server or client ki tarah kaam krta
hai

5. WORK STATIONS
• Single user computer
• Processing power mini computer ki hoti
hai
• Used by scientist, engineers, graphic
Artist, animator and programmers
• In computers me advanced processor,
more RAM, more storage capacity hit
hai personal computer k mukable

6. MICRO COMPUTERS/PERSONAL
COMPUTERS
• Single user
• Cost or size kam hote hai
• Used by a common man

7. NOTEBOOK/LAPTOP COMPUTERS
• Shape of notebook
• Brifcase k ander fit ho jata hai
• More storage capacity
• Expensive
• Isko bina power k istemal k liye
design kiya hai

8. BOOTING
• Jab hum computer start krte hai to usme
jo processing hoti hai use hum booting
kehte hai
• Booting ka matlab hota hai computer k
programs ko ROM se RAM me load krna,
taki computer ki commands theek tarah
se kaam kr ske
• Jis disk se boot kraya jata hi use bootable
disk ya system disk kehte hai

9. SOME MORE FACTS
• CPU ko computer ka dimaag”brain of
computer” kaha jata hai kyuki sbhi operation
CPU se hi kiya jate hai
• compiler ek aisa software hota hai jo high
level language ko machine language me
badalta hai
• Interpreter ek software hai jo high level
language ko machine language me badalta hai
• Compiler sbhi data ko ek sath badalta hai

10. • Interpreter line by line HLL ko machine
language me badalta hai
• Keyboard sbse coommon input device hai
• Monitor sbse common output device hai
• Software ke do type hai 1. system software 2.
application software
• Graphical user interface(GUI) ek aisa method
hai jisme user aaram se computer me
command deta hai, ye commands computer
par icon ke roop me hoti hai,or user just unhe
click krke us program ko use kr skta hai

11. • Waise to mouse ko input device kaha jata
hai but doosri bhasha me ise pointer
device bhi kehte hai
• Kisi bhi folder ya icon ko open krne k liye
hme mouse k left button ko double click
krna padta hai(mostly)
• User wo hota hai jo computer ko use krta
hai
• Computer ko internet ki bhasha me node
bhi kehte hai