Buffham joined the National Security Agency in 1949 and went on to the newly formed Armed Forces Security Agency in 1952 .
In 1949 , Buffham joined the National Security Agency and moved on to the newly established Armed Forces Security Agency in 1952 .

Are these two sentences paraphrases of each other?
yes

All bytes are cushioned at the beginning by a recessive start bit and a dominant stop bit .
All the bytes are cushioned in the beginning by a recessive start bit and a dominant stop bit .

Are these two sentences paraphrases of each other?
yes

Drummer Wayne Bennett left the band in June 2007 and was replaced by Ben Timony .
In June 2007 , drummer Leonard Ben Timony left the band and was replaced by Wayne Bennett .

Are these two sentences paraphrases of each other?
no

Illinois beat Purdue , 17-7 and Ole Miss beat Army 27-7 .
Purdue , 17-7 beat and beat Ole Miss army 27-7 .

Are these two sentences paraphrases of each other?
no