The term “FIRE WALL” originally meant, and still means, a fireproof wall intended to prevent the spread of fire from one room or area of a building to another. The Internet is a volatile and unsafe environment when viewed from a computer-security perspective, therefore firewall is an excellent metaphor for network security. A firewall is… (7 comments)
Most of us believe that when we delete a file it goes to the recycle bin, and when we empty the recycle bin, that particular file gets permanently from the hard disk. But this is a myth. What Happens When We Delete A File? When we delete the file, it is not sent to recycle… (18 comments)
Internet is not a secure place! If you visit a phishing website or download uncertain files, you PC will acquire hazardous computer viruses. Some viruses are distributed through emails, free programs, pop-up messages etc. Besides, if you insert removable media like CDs, USBs and DVDs which get infected with virus, it may put out your… (10 comments)
Tonight, accidentally I have executed the command assoc.exe=file and this command has changed the all .exe extension to none. So that any program like notepad, word, explorer(all the .exe) etc had been stopped working. I was scared and thought that I have to format my windows but at the same time I got an idea… (6 comments)
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