Why do you think the TCP designers chose not to perform a fast retransmit after the first duplicate ACK for a segment is received?

Exchanging which type of data uses the least bandwidth? music photographs video voice bandwidth- the amount of data that can be moved between two points in a set time period

Ihave an iphone 8plus should i get another phone like samsung note 9 or s9 ? ?

The fourth generation of computers emerged between 1970s and 1980s. which technological advancement brought about this generation of computers? which computer architecture was used most in this generation?