As the Internet has grown, three main protocols have reigned supreme in sending data online: IP (Internet Protocol), UDP (User Datagram Protocol), and TCP (Transmission Control Protocol). Understanding these protocols is key to both designing computer networks and keeping data secure. Foremost among these three protocols is IP, as both UDP and TCP use IP as a base layer for sending their information.
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When a hard drive is struck with a bad sector, although some of the data may be lost, it’s often possible to reformat the hard drive and get it working again. The bad sectors are removed from the array, and the hard drive will work as before, albeit a few megabytes smaller. Current hard drives are able to work around bad sectors and only store data in the good areas of the drive. Although this saves money vs buying a new drive, is it a good idea?
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Since the first personal computer, both consumers and business users have been complaining about slow speed. A large part of the reason that processing power has regularly doubled every two years, is that the current speed always seems inadequate. It’s not that users’ requirements have been increasing significantly – it’s that due to anti-virus software, poorly written drivers, and unoptimized software, the status quo will always remain “too slow.”
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