
Introduction
e term ‘embedded systems’ has become very common, but is quite diffi cult to ‘defi ne’,
because of the large variety of devices included in this class. So, let us make an attempt
to understand it, rather than make an attempt to ‘defi ne’ it.
An embedded system is an electronic system which is designed to perform one
or a limited set of functions, using hardware and software. us, let’s examine the vast
domain of embedded systems.
Having hardware and software makes an embedded system a computer, but this
computer performs only a limited set of functions. us, we exclude the PC from the
embedded system world, and name it as a general ...