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Old 18-04-2005, 09:24   #1 (permalink)
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Naştera progarmelor de operare

Am şi eu o mare curioziate. Cum s-au născut programele de operare (mă refer în special la cele binare)? Cum de le-a venit ideea celor care le-au creat să folosească sistemul binar, care stă şi azi la baza tuturor computerelor.
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Old 18-04-2005, 09:27   #2 (permalink)
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ce sistem electronic intelege mai mult de On ( 1 ) si Off ( 2 ) ? Nici unul !
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Old 18-04-2005, 09:56   #3 (permalink)
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Daca erai la cibernetica probabil ca ti se explica ce e cu reprezentarea asta binara si de ce se foloseste ea.
Pe scurt exista un dispozitiv numit bistabil (bi adica 2 stari). In principiu el sta la baza calculatorului(impropriu spus a calculatorului ci a circuitelor integrate). Pe baza semnalului de intrare (si a inca 3 parametri) el poate lua una din cele doua stari 0 sau 1. Avantajul sau este ca e ieftin si usor de implementat. Deciziile la nivel hardware se iau tot cu ajutorul unor bistabili.
Nu stiu daca ai inteles mare chestie din ce ti-am explicat eu insa arunca o privire aici : http://en.wikipedia.org/wiki/Flip-flop
Poate te va lamuri mai mult.
 
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Old 18-04-2005, 13:13   #4 (permalink)
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as vrea si eu sa vad sistemul care ia inca o alta stare in afara de 0 si 1 ( un circuit integrat mai bine zis ).
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Old 18-04-2005, 13:17   #5 (permalink)
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Tot curentul electric e la bază...
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Old 18-04-2005, 14:07   #6 (permalink)
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Intrebarea era cum de le-a venit alora ideea?
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Lucrurile vechi dăunzează grav gunoaielor moderne (cu câteva excepţii ; ex: I.T. stuff, sist. de învăţămant din Ro., pedeapsa cu moartea)
Ştefan Tel. 0721.240.479/0749.28.38.15 h 9.30-23.00 (fără BEEP-uri , S.M.S. da).
Paul Anka Cumpăr televizor color hibrid în stare de funcţionare
 
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Old 18-04-2005, 14:20   #7 (permalink)
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Probabil au baut prea multa bere si se plictiseau, si asa au pus-o de un SO.
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Old 18-04-2005, 15:06   #8 (permalink)
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Quote:
While studying the complicated ad hoc arrangments and wirings of the circuits in the computer, Shannon realized that Boole's concepts could be used to great utility. In his 1937 MIT master's thesis, A Symbolic Analysis of Relay and Switching Circuits, Shannon proved that Boolean algebra and binary arithmetic could be used to simplify the arrangement of the electromechanical relays then used in telephone routing switches, then turned the concept upside down and also proved that it should be possible to use arrangements of relays to solve Boolean algebra problems. This concept, of utilizing the properties of electricity to do math, is the basic concept that underlies all modern electronic digital computers, and the thesis became the foundation of practical digital circuit design.
citat din http://en.wikipedia.org/wiki/Boole
pentru algebre boole apasa aici

Offtopic: ce misto e wikipedia asta face la fundul gol pe encarta
 
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Old 21-04-2005, 17:41   #9 (permalink)
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Dar sunt curios prin ce difera programele, "Pasca", "H.T.M.L.", "Flash" unul de altul. Au un limbaj de scriere diferit?
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Lucrurile vechi dăunzează grav gunoaielor moderne (cu câteva excepţii ; ex: I.T. stuff, sist. de învăţămant din Ro., pedeapsa cu moartea)
Ştefan Tel. 0721.240.479/0749.28.38.15 h 9.30-23.00 (fără BEEP-uri , S.M.S. da).
Paul Anka Cumpăr televizor color hibrid în stare de funcţionare
 
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Old 21-04-2005, 18:22   #10 (permalink)
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nokia 2010, nu uita sa te deloghezi cand pleci de la net din ASE.
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Old 21-04-2005, 22:27   #11 (permalink)
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Las' ca va prind eu logati...
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Lucrurile vechi dăunzează grav gunoaielor moderne (cu câteva excepţii ; ex: I.T. stuff, sist. de învăţămant din Ro., pedeapsa cu moartea)
Ştefan Tel. 0721.240.479/0749.28.38.15 h 9.30-23.00 (fără BEEP-uri , S.M.S. da).
Paul Anka Cumpăr televizor color hibrid în stare de funcţionare
 
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Old 21-04-2005, 23:25   #12 (permalink)
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nokia2010 lasa'te, ca le facusi varza...
 
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Old 22-04-2005, 01:15   #13 (permalink)
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Nokia zau ia un manuale informatica de clasa a 9a. Ala te va lamuri cu varf si indesat.
 
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Old 22-04-2005, 01:56   #14 (permalink)
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ce program e ala H.T.M.L. ?
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Old 22-04-2005, 02:16   #15 (permalink)
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H.T.M.L.: Hazardous Troubleshooting and Mathematics Lifeform

Adica e grele, mane
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