Please express these sentence in easy and simple words. Only by experts.

Uses of computer :-

i)  In educational institutions.

ii)  In architecture (for consulting building image).

iii)  In the spacecraft.

iv)  In the research.

v)  In the hospitals.

Note :   It is used to be noted that computer can only do what is told to do. It doesn't have mind to work on it's own as the principle of 'garbage in & garbage out' (GIGO). 

- A computer is an electronic device. It is used for mathematical calculations. It operates at a very fast speed.
- Computers are used in almost all spheres of our lives: in aircraft, spaceships, hospitals. They are used to design and build buildings. They are used in doing research in many fields.
- A computer is a machine. It follows instructions and does tasks that it is told to do.
- It does not have its own mind, but follows the principle of input and output.