111What is a ’file’ in computer terms?
112What is a ’file extension’?
113What is the typical file extension for a plain text file?
114What is the typical file extension for an executable program in Windows?
115What is the typical file extension for an image file?
116What does ’PDF’ stand for?
117What is a ’folder’ (or directory) used for on a computer?
118What does ’copy and paste’ allow a user to do?
119What does ’cut and paste’ do differently from ’copy and paste’?
120What is ’file compression’ used for?
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