and spawned an array of devices ranging from USB Flash Disk

These applications are believed to be more effective and trustworthy that the inbuilt repair tools. If there is one complaint that people have against the supremely impressive Apple MacBooks, it is that the number of USB ports are not sufficient enough. Both the MacBook Air and the MacBook Pro have only two USB ports, and while this may be enough for most people, there are many who feel that a few more ports would not have hurt. After all, these ports are used for connecting a whole host of peripheral devices to the machine so the more there are, the better it is. External devices like USB Flash Drive, external hard drives, mobile phones, computer mouse, handheld gaming consoles, printers, scanners, digital cameras and MP3 players can all be connected to a MacBook through a USB port, and it is quite disappointing that Apple feels that one may only need to connect two of these at the same time. This is where a USB hub comes into the picture.
It's an interconnecting device that has up to 7 USB outlets at one end, so it enables one to connect a maximum of 7 peripheral devices to one single USB port on the machine. The utility of this device need not be explained, and this is a great solution for people who feel constricted by the number of USB Drive on a MacBook Air or MacBook Pro. Powered vs Unpowered USB Hubs An important choice needs to be made when you are picking a hub for your MacBook, and this involves choosing between a powered and an unpowered hub. As the name suggests, the former has its own source of power so it will need to be connected to an external power outlet once it has been attached to the MacBook. This will result in faster transfer speeds, and no loss of MacBook battery if you are attaching several power hungry peripherals to the MacBook. On the other hand, an unpowered USB hub derives its power from the computer itself. This is fine if your MacBook is connected to a power outlet, but if you are running on the MacBook's battery then you will see a massive drop in the battery level in no time at all.
Transfer speeds are also much lower in their case. These hubs are good for people who carry their MacBook around a lot, but it is always better to use a powered hub, or at least connect the MacBook to a power outlet if an unpowered one is attached to it.The introduction of USB (Universal Serial Bus) based devices has revolutionized computer data storage and transfer technology, and spawned an array of devices ranging from USB Flash Disk, USB wireless adapters to devices like USB TV tuners. A tuner lets you watch and record on air TV broadcasts on your laptop or desktop computer. Other than tuners, you can also opt for PCI TV tuner cards for PC. However, out of the two, USB tuners are the simplest to install and use. It makes sense to buy one of the best tuners for laptops, instead of going for an expensive media center PC or buying a digital video recorder like TiVo.The features that set best tuners apart from the rest are high processing power, compact size, dual band tuning and multiple channel tuning capacity.With this HP tuner, you can watch and record high-definition ATSC1 digital broadcast, analog cable TV, clear QAM digital TV right on your PC. Record TV shows on the go and also listen to FM radio. This device comes with an easy to use electronic program guide too. If you happen to have an HP laptop or PC, this tuner works with HP QuickPlay, SmartMedia and Windows Media center.