back to the original question...

well everything else in tron is pretty straight forward... so lets look at it like this...

"Logic-Probe"

Logic
log·ic ( P )
n.

blah blah blah.. not important...

5) Computer Science.
a: The nonarithmetic operations performed by a computer, such as sorting, comparing, and matching, that involve yes-no decisions.
b: Computer circuitry.
c: Graphic representation of computer circuitry.

Probe
probe ( P )
n.
a: An exploratory action, expedition, or device, especially one designed to investigate and obtain information on a remote or unknown region.
b: The act of exploring or searching with or as if with a device or instrument.
c: An investigation into unfamiliar matters or questionable activities; a penetrating inquiry

yes i weeded out the definitions that had absolutly no relivance... and what do we come up with?

Logic Probe: (Law-Jik-Pro-Buh) Noun.
root - Geek (see "TRON")

a nonarithmetic operation designed to sort, compare, and match, involving yes-no decisions designed to investigate and obtain information on a remote or unknown region.

in short... a digital battering ram.