Part 1 of Essay
Hardware is the physical aspect of computers, telecommunications, and other information technology devices. The term arose as a way to distinguish the "box" and the electronic circuitry and components of a computer from the program you put in it to make it do things. The program came to be known as the . Hardware implies ....

Part 2 of Essay
.... infrastructure. is a general term for the various kinds of programs used to operate computers and related devices. (The term hardware describes the physical aspects of computers and related devices.) can be thought of as the variable part of a computer and hardware the invariable part. is often divided into application (programs that do work users are directly interested in) and system (which includes operating systems and any program that supports application ). The term middleware is sometimes used ....