[sionnsar]

Quick question: Is the damage done after an EMP permanent or temporary? That is is the car’s computer and circuity and alternator fried completely, or is it stunned and then resets and can be used again. What about computer circuitry?

Permanent.

[_Jim]

Permanent.

False.

Have you never heard the term 'temporary upsets' before?

[_Jim]

From a major manufacturer of semiconductor product:

TI produces ESD devices with solutions that protect the majority of external connections to the outside world.

ESD Solutions

and

Download TI’s System-Level ESD Protection Guide

TI’s System-Level ESD Protection Guide provides an overview of several types of our latest ESD protection devices for high-speed data rates and for diode array chips for ease of design. Application and end equipment devices are also listed. Download a copy today!

THIS is what provides COTS gear the capability to withstand EMP -and- everyday static-discharge (you know, walking across the carpet in winter when the air is dry and you draw sparks to doorknobs) ...