What is Computer? Difinition of computer.

 

 

 

 A Computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via it internal instruction(Computer programming). Modern computers have the ability to follow generalized sets of operations, called programs. These programs enable computers to perform and extremely wide range of tasks. A "Complete" Computer system including the hardware, the operating system, and other peripheral equipment required and used to complete operation can be referred to as computer system.
This term may as well be used for a group of computers that are connected and works together, in particular a compute network or computer cluster. Compute are used as control systems for a wide variety of industrial and consumer devices. This includes simple special purpose devices like microwave ovens and remote controls factory devices such as industrial robots and computer-aided design, and also general purpose devices like personal computer and mobile devices such as smartphones. the Internet is run on computers and it connects hundreds of millions of other computers and their users.

About the earliest computing device

 

Firstly Abacus is the first computing device. The earliest recorded calculating device is the abacus. It is used as a simple computing device for performing arithmetic, the abacus most likely appeared first in 5000yrs ago in china.