| Answer | Crossword Clue |
|---|---|
| NCR | Company that introduced retail bar-code scanning |
| IBM | Company that pioneered the U.P.C. bar code |
| Answer | Crossword Clue |
|---|---|
| NCR | Company that introduced retail bar-code scanning |
| IBM | Company that pioneered the U.P.C. bar code |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.