When Kayla goes through the checkout line at the local grocery store, a(n) captures the barcodes of her groceries and converts them to a digital format to generate the total amount of her groceries. A. RFID tag B. transistor C. barcode converter D. optical scanner E. graphical user interface

Annie is creating a corporate report for a company’s annual meeting. in the report, she wants to add the signature of various department heads. which device can annie use to capture signatures to include in the report? a. printer b. monitor c. e-reader d. digitizing tablet

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging

State 7 common key's for every keyboard