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.
