Question

how how was the devices used in present times better than the devices of the ancient times for madam time

Answer 1

because the device of that time was not harmful and not give harmful radiation but nowadays all the electronic device gives harmful radiation.

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Answer 2

the devices used now in so many ways like ordering something items and checking information about any thing in ancient times there was only the landline and telephones were there because of that at that time there is only use of to call but now we can do anything with the device's