respect to fig4 7 above additional peripherals such as a camera 58 bar code scanner 60 image scanner 62 and network interface 64 such as a wireless modem may be provided either as integral elements of the computer 50 or as separate devices interfaced with the computer using standard usb or other interface technology mass storage 66 associated with the computer allows integration of control software for specific applications of the digital data storage units as well as temporary or permanent storage of duplicate digital data stored on the integrated storage units for the embodiment shown each integrated storage unit 30 employs a bar code 68 for unique identification the bar code scanner 60 associated with the computer 50 allows easy recognition of the integrated storage unit for data entry or download from to the computer the bar code 68 may be one dimensional bar code a two dimensional bar code such as a qr code datamatrix or other form of bar code or other machine readable identifier in alternative embodiments integrated digital identification in the digital data storage unit allows identification upon insertion into the interface on the computer or alternative unique readable indicia is provided on the unit exemplary applications the integrated dna and digital data storage units of the disclosed embodiments with various configurations of the operational system may include child identification kits which could incorporate both a dna sample bearing master unit and an identical digital storage device as a traveler either.