Digital camera is an input device that stores movie and the images it requires in digital structure rather than to film.
The image is of the Casio QV-R62, a 6.0 Mega-Pixel camera. Today camera can also be built-in cell phones. The memory of digital camera is limited depending upon the card memory which is inserted in it.
However, unlike film cameras, digital cameras can display images on a screen immediately after being recorded, and store and delete images from memory. Many digital cameras can also record moving videos with sound. Some digital cameras can crop and stitch pictures and perform other elementary image editing.
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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.