In the checkout line at a grocery store, purchases are read by an optical scanner.
a. true
b. false
Answer: a. true
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In forward error correction, the receiver
a. can always correct all errors b. can correct some types of errors by requesting a retransmission c. can correct some types of errors without requesting a retransmission d. requests a retransmission whenever errors are detected
Which site is a resource specifically intended for students in grades 3 through 12?
A) How Stuff Works B) Microsoft at Home C) New York Times Learning Network D) Webopedia
If you know your presentation will be viewed on a widescreen or you are using a widescreen display, you can change the slide size to optimize the ____.
A. view B. proportions C. pixels D. settings
Choose the correct adjective in the following sentence.Jane is the _____ of three siblings.?
A. ?older B. ?oldest