Question

Packet Switch Stream (PSS) was introduced in
A.the US in 1961 (&) the UK in 1981
B.the UK in 1980
C.the US in 1961
D.None of the above

Answer 1

______✨ HEY MATE ✨_____

➡️ Option (a) is the right answer ✔️

✌✌Hope it's help u ✌✌

Answer 2

Hello mate

here's your answer

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Option A ✔✔

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Hope it helps you