What is a smartphone? A smartphone is a device that has all the features of a mobile phone and most of the features of a PDA such as calendar, email, web browsing and office applications. With the dual band...
Compare the merits of MMC and SD Memory cards MMC - MultimediaCard and SD - SecureDigital are two alternative memory card standards. Whilst they are closely related, they are distinct standards in their own...
Digital cameras are distinguished by their resolution. How many pixels, or picture elements, the image sensor contains. One megapixel equals 1 million picture elements. A 4- megapixel camera can make...