Embedded Systems: An Integrated Approach by Pearson

INTRODUCTION TO EMBEDDED SYSTEMS 37

Now let’s try to understand why a PC is not considered to be an embedded system.

i)  e PC has a large application set, from word processing and computation to

communications, printing, scanning and many more.

ii) Low power consideration is a good idea, but that is not the guiding principle in

its design.

iii) Memory is available in various forms: RAM, ROM and secondary memory

devices like the hard disk, CDROMs and the like. More memory can be added if

the user desires.

iv) Since the PC is used for various applications, more applications can be added as and

when needed.

v)  e PC can be accessed by input devices like the keyboard, mouse, modem, etc.

vi) Like any other system, the PC also needs to be ...