Top Posters
Since Sunday
1
Home Q & A Board Science-Related Homework Help Computer Studies
New Topic  
Drakor Drakor
wrote...
Go to Answer
Posts: 3501
Rep: 39 0
9 years ago
Bar code readers use ________ to read universal product codes (UPCs), inventory codes, and
other codes created from patterns of variable-width bars.
A) light
B) dark
C) OCR
D) lasers
Textbook 
Digital Planet Tomorrow's Technology and You

Digital Planet Tomorrow's Technology and You


Edition: 10th
Author:
Read 763 times
3 Replies
Replies
Answer verified by a subject expert
weeji88weeji88
wrote...
#1
Top Poster
Posts: 5427
Rep: 735 0
9 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Drakor Author
wrote...
#2
9 years ago
Correct Smiling Face with Open Mouth
wrote...
#3
9 years ago
Glad to help. Have a nice day!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1182 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 338
  
 31
  
 833
Your Opinion
Who will win the 2024 president election?
Votes: 45
Closes: November 4
Previous poll results: Which 'study break' activity do you find most distracting?