How strong does a magnetic field have to be to affect a computer or a disk?

Subject: How strong does a magnetic field have to be to affect a computer or a disk?

Date: Wed Apr 25 20:25:07 2001
Posted by Scott
Grade level: undergrad School: LIU
City: Brooklyn State/Province: NY Country: US
Area of science: Computer Science
ID: 988244707.Cs

Message:


I'm curious why some magnetic fields, particularly security devices, can affect 
carried laptop computers, computer diskettes, or personal organizers, and how 
strong they have to be (why some do and some do not).

Re: How strong does a magnetic field have to be to affect a computer or a disk?

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