-Load average- töövalmis tööde järjekorra keskmine pikkus. Planeerijad *lühiajaline planeerija -valmis protsesside hulgast sobiva tööks valmine -töötab tihti, peab olema kiire *Pikaajaline planeerijad -Uute protsesside loomine -Hoolitseb multiprogrammeerimise astme eest -Käivitub harva, pole kiirusekriitiline -Õige protsessisegu hoidmine (I/O taga ootavad ja protsessori taga ootavad protsessid) *Vahepealne planeerija- protsesside välja ka sisse saalmine (swamping) Kontekstivahetus *Ühelt protsessilt teisele lülitumisel tuleb salvestada vana protsessi olek ja laadida uue protsessi salvestatud olek. *See aeg on lisakulu, vähendab rakendustele jäävat protsessoriaega. *Kuluv aeg sõltub protsessori võimalustest. Operatsioonisüsteemi komponendid *Protsessihaldus *Põhimäluhaldus *Failide haldus *I/O süsteemi haldus *Sekundaarse salvestusruumi haldus *Võrgu tugi *Kaitsesüsteem *Käsuinterpretaator Protsesside liigitamine
Biard, J. R. Bromley, Allyn Cole, Jr., and G. M. Slonim—on a 24-hour watch on frequencies suggested by Washington and on others that his unit had found. The Dutch in Java and the British in Singapore listened. In Washington, Kramer made up some 3x5 cards for distribution to MAGIC recipients. They bore only the portentous phrases, "East Wind Rain: United States. North Wind Cloudy: Russia. West Wind Clear: England." Soon plain-language intercepts were swamping GZ. Bainbridge ran up bills of $60 a day to send them in. Kramer and the other translators, already burdened, now had also to scan 100 feet of teletype paper a day for the execute; previously only three to five feet per week of plain language material had come in. The long strips were thrown into the wastebasket and burned after checking. Several times the GY watch officers telephoned Kramer at his home at night to ask him to come to the office and check a possible execute
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