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