Unlike radio frequency identification (RFID) tags, bar codes: Question 30 options: require a reader that tunes into a specific frequency to determine the location of products. cannot be read using a handheld or pen-type scanner that reads and records data instantly. require direct line-of-sight scanning. increase data entry errors by 75 percent.

What need most led to the creation of the advanced research projects agency network? darpa wanted scientists to be able to collaborate and share research easily. darpa wanted american and russian politicians to be able to communicate. darpa wanted astronauts to be able to contact nasa and the white house. darpa wanted factory owners to be able to coordinate supply chains.