A Kindle would be a good device for reading textbooks. Kindles are cheap and are an excellent e-reader. On the other hand, if you want a more all-purpose device, one you can use for things other than reading textbooks, you may want a laptop or a tablet.
There is no best or worst. All electronics are used for different things.
DDR2 800 is a model of computer memory which one can purchase at many computer electronics stores. Some of these include Future Shop, Best Buy as well as Amazon.
for what a computer or mobile device?
That electronic device burned out and the system was broken. Or something like that.
a cellphone
A scanner.
The Best Computer online service features news about computer and technologies. The Best Computer online service gives information about electronic products like computers and phones.
a small, self-contained electronic device that is portable and can be held in a user's hands
The best reviewed electronic is the kindle, and you find these on the amazon website for very cheap. They are very valuable devices and hold lots of books.
A case made by the manufacturer of your device will provide the best fit.
The days of hauling around paper books are over. An electronic books device can literally store thousands of books, so you always have something to read. Not only can you buy and download the latest best seller, many of the old classics are free. And most library systems now support an electronic books device, so you can check out and download books without ever leaving your home. An electronic books device is a must have.
Electronic book devices are a popular item and for good reason. However, purchasing an electronic book device/reader is only worth it if you will use it frequently. The best place to purchase one is apple.com or amazon.com