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OCR: USING -31 Retrieving a Data File Word exeis loaded you Now decide suppose that that you want fewdays to re-read later into memory Vacation doc You paau start Microsoft Word Once the Word program running you can r retrieve the Vacation.doc Te from the dist on which it stored When vou want to use a data file that already exists on di sk storage you mus tell the application to open the file In Microsoft Word either type the nam e of the fie A: Vacation .doc or select the file name from list of files tored UO the di sk.The application communi- cates the filename to the operating system The operating syst tem looks at the directory and FAT to find which dus ters contain the file then m oves the read-write head to the appropriate disk Iocation to read the file The A:Vacation docis electronics : ...