what is a computer

what is a computer?

It is an electronic device which is capable of  receving information (data) in a particular from and performing sequence of operations in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the from of information or signals a person who makes calculation especially with a calculating machine.

Types of computer

super computer 

                              

It are terribly dear and extremely giant in size. It is accommodated in giant cool rooms; some super computers will span a complete building.In 1964, Seymour cray designed the primary super comptuer agency 6600.The most powerful  in terms of performance and processing ar the super computers. These ar specialised and task specific computers employed by giant organizations. These ar used for analysis and exploration functions, like NASA uses super computers for launching house shuttles, dominant them and for house exploration purpose.

Mini computer

                          

It also are known as as “Mid vary Computers”. These area unit tiny machines and may be accommodated on a disk with not as process and knowledge storage capabilities as super-computers & Mainframes.  it area unit employed by tiny businesses & corporations

Mainframe

                             

It will be accommodated in giant cool rooms owing to its size. Super-computers ar the quickest computers with giant information storage capability, Mainframes may also method & store great deal of information. several giant companies & government organizations uses Mainframes to run their business operations.

Micro computer

                                 

It may be a complete laptop on a smaller scale and is usually a equivalent word for the a lot of common term, laptop computer or laptop , it's designed for a personal. it contains a micro chip (a central process unit on a micro chip ),memory within the style of storage and random access memory , I/O ports and a busor system of interconnecting wires, housed during a unit that's typically known as a motherboard ..