Keeping track of common files by using a lot of computers and mobiles all through the day may be hard. A good example is when you synchronized your mobile and computer devices. If you check an email using your computer, it will also appear in your smartphone. This will be a lot easier to track your email through both of your devices than having not to be synced at all.
He is using a Computer to type out the document, and a Printer for printing the document.
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You should structure the text first before you search for a relevant picture
Answer:
Charles Babbage invented computer.
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