The answer is edu. Hope this helps.
Prior to purchasing the universal garage door remote, verify the brand and model number of the garage door opener are included, and that the frequencies of the opener and the universal remote match. Find the brand and model number that matches the garage door opener. Key that code into the remote and press enter. Test the garage door by pressing the button on the remote. If the code works, the garage door opens and closes on cue
<span>So if some access your computer and erased some data without your permission or knowing then this threat is called as security threat. So you should have these stand alone systems with username and password concept that would protect your sensitive and private data and have the control over your computer.</span>