Flash cards of e-book readers



The most part of electronic books is equipped by the slot for connection of flash cards. Use of replaceable flash cards is very conveniently. The e-book reader can use some people, everyone with their personal flash card. It is possible to work separately with a card, having inserted it into the phone or the computer. If you do not satisfied with the volume of internal memory of the e-book reader, it is possible to buy a flash card of great volume and to store on it all you library.


The flash cards used in electronic books


There are two standard sizes - SD and microSD in modern electronic books uses cards. The first had been developed SD-card. Subsequently for use in small mobile devices the card case had been reduced, such card receives the name microSD.

The adapter - an adapter from MicroSD in SD type
Marks of SD-cardsт

Many microSD flash memory cards are on sale complete with adapters - from size micro-SD to the size SD. It allows to establish microSD a map both in microSD - and in SD-slots.

The memory capacity flash cards . For today in shops it is possible to buy flash cards of an memory capacity from 2 to 64Gb. What to choose? For example, if to take for the average size of books 850 - 900 kilobyte, on a card in capacity 2Gb will be stored approximately 2200 - 2500 books of formats FB2, MOBI, EPUB. For what time you will read such quantity of books? However, if you read books of format PDF or DJVU, which approximately in 6-10 times more on volume it is expedient to take a card more of memory capacity.

Type of SD-cards On each card the type necessarily is labeled: SD Or SDHC .SD-Standard has originally been developed. Such maps have of an memory capacity to 2 gigabytes. Some manufacturers of electronic books demand use of such maps for a installing of the e-book reader. SD-cards a larger of an memory capacities have type SDHC. These standards are compatible not completely. If your device (the electronic book or card reader) supports only the standard SD - SDHC flash memory cards in such device will not work. If the device supports SDHC-standard then it is possible to use and SD - and SDHC-cards (microSD and microSDHC). To be assured that your e-book reader will support to SDHC-card, it is necessary to find as much as possible admissible memory capacity of an SD-card in the maintenance guide. If it more than 2 Gв - support of SDHC-standard it is.

SD-card class. The flash card class means the maximum possible speed of reading and data recording. On the card the class is displayed by means of number in the broken off circle. The class 2 - makes speed 2 mbit per second, a class 10 - 10 mbit per second. The above a card class, the above its price. For reliable work of electronic books is advised to get slower (a class 2 or 4) flash cards. Electronics of many e-book readers can not keep up with high-speed SD-cards. As a result, the electronic book with such card either will not work at all, or will work with errors and lags.


Card readers

For recording and reading information from flash cards use special devices - card readers. They are installed as in the computer case, or connected to it by means of socket USB. Smallest of card readers have the size of a usual flash card. At card readers purchase it is necessary to make sure of support of the standard of cards SDHC .

External Cardreaders





Next






e-ink-reader.ru


Share

What to read?

Stephen King "11.22.63". WHAT IF you could go back in time and change the course of history? WHAT IF the watershed moment you could change was the JFK assassination? 11.22.63, the date that Kennedy was shot - unless... King takes his protagonist Jake Epping, a high school English teacher from Lisbon Falls, Maine, 2011, on a fascinating journey back to 1958 - from a world of mobile phones and iPods to a new world of Elvis and JFK, of Plymouth Fury cars and Lindy Hopping, of a troubled loner named Lee Harvey Oswald and a beautiful high school librarian named Sadie Dunhill, who becomes the love of Jake's life - a life that transgresses all the normal rules of time.

What to read?

Gregory David Roberts "Shantaram". A novel of high adventure, great storytelling and moral purpose, based on an extraordinary true story of eight years in the Bombay underworld. 'In the early 80s, Gregory David Roberts, an armed robber and heroin addict, escaped from an Australian prison to India, where he lived in a Bombay slum. There, he established a free health clinic and also joined the mafia, working as a money launderer, forger and street soldier. He found time to learn Hindi and Marathi, fall in love, and spend time being worked over in an Indian jail. Then, in case anyone thought he was slacking, he acted in Bollywood and fought with the Mujahedeen in Afghanistan...

Robert Galbraith "The Cuckoo's Calling". When a troubled model falls to her death from a snow-covered Mayfair balcony, it is assumed that she has committed suicide. However, her brother has his doubts, and calls in private investigator Cormoran Strike to look into the case. Strike is a war veteran - wounded both physically and psychologically - and his life is in disarray. The case gives him a financial lifeline, but it comes at a personal cost: the more he delves into the young model's complex world, the darker things get - and the closer he gets to terrible danger ...

To find these books, check out the "e-library".