1. ............ is an universal Product Code.

UPC

PC

UP

UPE

2. UPC is an ............ Product Code.

versal

universal

uneversal

universol

3. ............ is a synonym of UPC.

bar code

bare code

bar cod

ber code

4. Bar coding, test specifications for bar code ............ and decoders.

scanners

scannars

sconner

scannirs