Question

what is computer write down the wotking principle on computer ​

Answer 1

Answer:

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Explanation:

• The work of postal system is a complicated process. First, letters are written and these are dropped in postal boxes. The letters are then collected from the letter boxes by post men of different post offices. The collected letters are brought to the post offices where the sorting of letter is done

• The sorted letters are next despatched to different places by plane, ship and train. The letters are sent to various post offices by mail van. Now the postmen in post office collect the letter and put them in bags. At last, they go out either by cycle or on foot to deliver letters to the addressees in different places.