▁the ▁Jet ▁Prop ulsion ▁Labor atory ▁references ▁mill i - p ir ate - n in jas ▁in ▁their ▁meet ings . ▁ ▁Time ▁ ▁Fried man ▁The ▁Fried man ▁is ▁approximately ▁six ▁months , ▁specifically ▁six ▁months ▁in ▁the ▁future , ▁and ▁named ▁after ▁column ist ▁Thomas ▁Fried man ▁who ▁repeatedly ▁used ▁the ▁span ▁in ▁reference ▁to ▁when ▁a ▁determ ination ▁of ▁Ira q ' s ▁future ▁could ▁be ▁sur m ised . ▁ ▁J iff y ▁ ▁A ▁j iff y ▁is ▁a ▁unit ▁of ▁time ▁used ▁in ▁computer ▁operating ▁systems , ▁being ▁the ▁interval ▁of ▁time ▁between ▁system ▁timer ▁interrupt s . ▁This ▁interval ▁var ies ▁from ▁system ▁to ▁system , ▁but ▁is ▁typically ▁between ▁ 1 ▁and ▁ 1 0 ▁mill iseconds . ▁ ▁Micro century ▁According ▁to ▁Gian - Car lo ▁R ota , ▁the ▁math ematic ian ▁John ▁von ▁Ne umann ▁used ▁the ▁term ▁micro century ▁to ▁denote ▁the ▁maximum ▁length ▁of ▁a ▁lecture . ▁One ▁micro century ▁is ▁ 5 2 ▁minutes ▁and ▁ 3 5 . 7 6 ▁seconds ▁– ▁one ▁million th ▁of ▁a ▁century . ▁ ▁Nan oc ent ury ▁A ▁unit ▁sometimes ▁used ▁in ▁computing , ▁the ▁term ▁is ▁believed ▁to ▁have ▁been ▁co ined ▁by ▁IBM ▁in ▁ 1 9 6 9 ▁from ▁the ▁design ▁objective ▁" ne ver ▁to ▁let ▁the ▁user ▁wait ▁more ▁than ▁a ▁few ▁nan oc ent uries ▁for ▁a ▁response ". ▁A ▁nan oc ent ury ▁is ▁one - b ill ion th ▁of ▁a ▁century