A computer is an electronic device that performs calculations and processes data according to programmed instructions. It is designed to execute applications by combining integrated hardware and software components to quickly calculate, store, organize and share large amounts of information electronically or control other machines. A computer derives its name from the Latin word "computare" which means to calculate, count, or think together.

1. Computer Meanings
Computer is derived from a Latin word COMPUTARE which means to TO
CALCULATE, TO COUNT, TO SUM UP, or TO THINK TOGETHER.
So, more precisely the word computer means a device that performs
computation.
A computer an electronic device for storing and processing data, typically in
binary form, according to instructions given to it in a variable program.
A computer is a machine or device that performs processes, calculations and
operations based on instructions provided by a software or hardware program.
It is designed to execute applications and provides a variety of solutions by
combining integrated hardware and software components.
A computer an electronic machine that calculates data very quickly, used
for storing, writing, organizing, and sharing information electronically or
for controlling other machines.
A computer is an electronic machine that can store and deal with large amounts
of information.