What is Computer?

What is Computer?

Computer is an electronic device that is capable of performing a task based on some specific instructions.

What are the functions of Computer?

1.   A computer accepts input.

2.   A computer Process data.

3.   A computer stores data.

4.   A computer produces output.

Applications of a Computer

Home – Computer is put to a variety of uses at home based on the needs of different people.

Transportation – airline reservation, shortened length of queues at railway,

At War – computer have changed the war strategy like Electronic map, guided missile, and communication.

School – wonderful tool of teaching.

In hotel –provide information to their customer

In Hospital – These days, advanced surgeries are not possible without the help of computers.

In shops – computer are use  to keep records of product and their sale for the period of time.

In Telecommunication - Computers have changed the way in which information is communicated including data, text, pictures, voice and video over a long distances.

Entertainment Zone – With the help of computer , one can make stunts, unimaginable creatures, deformed faced, cartoon and animation possible.

Elements of Computer

1.    Hardware – the physical components of a computer system

2.    Software – set of procedures or instructions

3.    Peopleware – person who uses the computer hardware and software.

Types of Peopleware:

a.    Computer User – person who uses the computer or its output

b.    Computer Specialist – person whose main job is related to computers like Programmer, Computer Technician, Database Administrator, etc.