UNDERSTANDING COMPUTER FILES
FILE EXTENSIONS AND FILE TYPES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What letter does this file extension start with?homework.pdf
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P
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H
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A
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B
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Explanation:
Detailed explanation-1: -The extension is a three-or four-letter abbreviation that signifies the file type. For example, in letter. docx the filename is letter and the extension is docx. Extensions are important because they tell your computer what icon to use for the file, and what application can open the file.
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