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It is not an optical device. C D ROM or DVD are optical devices. Whereas a digital memory card is solid state device.
secure digital cards are the most popular flash memory cards
true
Memory Stick Pro
Digital compact camera can take photographs and, on many models, short video clips. As it is digital it stores the pictures in its digital memory and does not require film. The pictures can either be viewed and edited on your computer or they can be printed at a retail store that provides a digital print service. The compact design means that it is small and light to carry with you ever ready for a photographic opportunity.
No CD-ROM means Compact Disc Read-Only Memory. CD-ROM is an input device. However, CD-RW (Compact Disc Read Write) is both a input and output device.
The xD-Picture card is t he lastest and greatest flash card, it has a compact design and currently holds up to 8 GB of data.
Full form of DVD is Digital Versatile Disc and Full form of VCD is Video Compact Disc
Memory stick PRO Duo with Adapter
Compact Disc-Read Only Memory
CD = Compact Disk ROM = Read Only Memory Together CD-ROM means a compact disc made into a read only memory device. Rewritable cd's are not cd-roms as they are memory devices that can be rewrote to.
USB MP3 player Card Reader Digital Camera Memory Cards