The packets switching concept was first proposed

1.	The packets switching concept was first proposed
A.	in the late 1980s for the Defense Ministry of US.
B.	in the early 1960s for military communication systems, mainly to handle speech
C.	in the late 1950s for Defense Ministry of US
D.	All of the above
E.	None of the above
Answer» C. in the late 1950s for Defense Ministry of US

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The packets switching concept was first proposed

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