Floppy disk drive, Hard disk drive, CD-Rom, DVD, Thumb Drive, Memory cards Lotia, Manahar creator Nair, Pradeep Lotia, Payal text New Delhi BPB Publications 2006 monographic various pages 18 cms. by Manahar Lotia, Pradeep Nair [and] Payal Lotia 8183331084 20190422125900.0