RFID Readers Guide by Mansi Aggarwal
RFID or Radio Frequency Identification is a constantly evolving technology that has made its foray into our lives from the inner circles of science very rapidly. It is basically one of the automatic identification systems like bar codes, smart cards, etc. ... The system works by transmitting the data stored in the tags to a RFID reader that in turn reads it and processes the data according to the application’s specifications. ... Thus, they are bigger in size and possess a larger memory size with the ability to communicate with their readers even with large distances between them.

Corrupted Photo Recovery by Mike D Tucker
You have over 300 pictures in your digital camera and no way to retrieve them. Don’t panic there are ways to save them. Start by reading this article on corrupted photo recovery. A while back I inserted my XD media card into the wrong camera. For some reason my two Fuji cameras are not combatable. ... Whether your pictures are on a memory card or hard drive do not mess around with it any more than you have to. ... Completely safe for your hard drive or memory card. ... I downloaded it and ran it with my memory card and it found ALL my pictures.

For Digital Camera Novices: How Images Are Stored and Transferred by Christine Peppler
Although Digital Cameras entered the picture quite a number of years ago and have subsequently all but eliminated film cameras, some consumers are just now making the switch. The reason for this is clear as the quality of a 35mm shot is outstanding and quite simply, we understood them. ... When purchasing a card for a digital camera, users can roughly estimate that with a typical 8 megapixel camera, the card will hold at least one quarter as many images as the card has megabytes, which is indicated on the front of the card.

5 Facts You Need To Know About SD Cards And How To Get The Best Of Them by Ron Heller
Most of us who are into technology in some way have already heard of the SD memory card. Where SD stands for Secured Data, these tiny cards are a very popular item now days with everyone who is dealing with PDA's, electronic cameras, notebook computers and the like. ... This fact makes the SD memory cards a much faster memory device that the old ones we know. ... For example, if you want to pass a 2 minute video you shot with your new digital camera, on to your iPAQ, you can do that in a few seconds by taking out the SD memory card from your camera and popping it into your iPAQ.

Digital Camera Storage Media by Charlie Vuong
When someone buys a new digital camera for recreational purposes, they rarely look at the type of storage media the camera supports. How important is the storage media, exactly? Well, it's where your pictures are stored, so it must be pretty important! ... A memory card with at least 512MB-1GB storage is highly recommended to replace the stock memory card the camera packaging includes. ... Years ago, the maximum storage capacity for an average memory card was 128MB or 256MB at max. ... They have better value and are better priced than flash memory, but flash memory has more space and storage.

Handheld Computers Guide - What to Know When Purchasing Your New PDA by Donny Duncan
Handheld computer devices, also known as PDAs (Personal Digital Assistant) are quickly becoming a necessity for millions of people around the globe. The ability to replace your address book, calendar, calculator, and even some functions of their home computers, can be absolutely priceless. ... As long as it has a card reader slot of some kind though, this can easily be upgraded, as the price of memory cards has dropped considerably, but the more it has built in, the less you'll have to purchase later.

Computer Memory - Flash Memory by Michael Russell
Flash memory is a form of EEPROM memory, which is Electrically-Erasable Programmable Read-Only Memory. It allows more than one location to be written to and erased in just one operation. Flash memory is what is called non-volatile. That means it does not need power to retain the information that... Today a new generation of these formats is busting onto the scene with the RS-MMC or Reduced Size Memory Card, The TransFlash, the miniSD, which is a variation of Secure Digital, and the new USB hybrid memory card and intelligent stick.

What Is Memory Card Speed? by Iggy Quazi
In a few short years since the launch of the first 4Mb flash memory card, the number of flash memory cards available for digital cameras and other devices has exploded with a number of different formats and speeds of memory card. It's no wonder the average person is totally baffled by this... Memory card speed is the card's performance with regard to how quickly data can be transferred to or from it. ... This is because not only does your memory card have a maximum speed rating, but your camera or mobile phone will also have its own speed rating.

Flash Memory, Part I: MMC and SD by Jason Kohrs
MMC and SD Flash memory is available in so many formats that it can be difficult to know what will work with any particular device. Devices such as MP3 players, PDAs, mobile phones, digital cameras, and personal computers can take advantage of flash memory to bolster their storage capacity, but... If your camera can handle only up to a 512 MB card, then using a 1 GB card in the camera will be pointless (depending on the device, some will not even be able to read the card, whereas others will only use up to the capacity that it is rated for.

Desktop Computer Basics by Dave Stewart
When buying a computer it helps to know some basic information about components and processes. Hopefully these explanations will give you a better understanding of how a computer functions, and enable you to ask the salesman some productive questions. ... Graphics Card The Graphics card or Video card provides, as the name suggests, the video output from your computer. ... For those that use their computer to play games a seperate video card is a must. ... RAM RAM or Random Access Memory describes storage formats and equipment that allow data to be accessed in any order (random), not...