computer

defination of computer  :- computer is an eloctronic device and data processing machine  which can perform all types  of  arthmetikal  as well logical opration , At tremandus  speed  with accuracy and tooo much faster than human being 

Frist computer name:- ABACUS

Father of computer :-     Mr. Charles Babbage

father of keyboard:-        mr. Swe Dish 

father of mouse :-            Mr.  dugals engelwart 

                                                   There are  three  basic parts of computer 

1. Input device             ex-  keyboard, mouse 

2. system device            ex- cpu( central processing unit)

3. output device            ex- monitor  , printer 

                                              Comparison  between computer and human 

               computer                                                                                   Human

1. Accepts data by keyboard.                                                   1. Accept data by ears. 

2. Store data into  PUM  amd SMU.                                      2. Store in books and copy. 

3. Process data and give  singals.                                           3. It  also  gives result

4. It uese its own memory                                                         4. It also

5.It uses current for controlling                                             5. It uses  energy