Final answer:
A quick service restaurant is a fast food establishment that focuses on quick service and efficiency. Examples include McDonald's and Burger King.
Step-by-step explanation:
A quick service restaurant, also known as a fast food restaurant, is an establishment that emphasizes fast service and efficient customer experience. These restaurants typically offer a limited menu, with items prepared in advance and quickly assembled or cooked to order. Examples of quick service restaurants include McDonald's, Burger King, and Subway.
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