Characteristics and Uses of Minicomputers

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CharacteristicsandUsesofMinicomputers.Mainframecomputers,andSupercomputers

NOVEMBER6,2014NOVEMBER24,2014 THREEBUDDYS LEAVEACOMMENT

Q31.Identifyanddiscusscharacteristicsandusesof(https://worldfullofquestions.wordpress.com/2014/11/06/characteristicsandusesofminicomputersmainframecomputersandsupercomputers/)

(a)Minicomputers(https://worldfullofquestions.wordpress.com/2014/11/06/characteristicsandusesofminicomputersmainframecomputersand

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supercomputers/)

(b)Mainframecomputers,and(https://worldfullofquestions.wordpress.com/2014/11/06/characteristicsandusesofminicomputersmainframecomputersandsupercomputers/)

(c)Supercomputers.(https://worldfullofquestions.wordpress.com/2014/11/06/characteristicsandusesofminicomputersmainframecomputersandsupercomputers/)

Ans(a).Minicomputers

Minicomputers,alsocalledmidrangeservers,aremorepowerfulcomputersthanmicrocomputersintermsofprocessingpowerandcapabilities.Minicomputersaremainlymultiusersystemswheremanyuserssimultaneouslyworkonthesystems.Minicomputerspossessgreaterstoragecapacityandlargermemoriesascomparedtomicrocomputers.Theseareevencapableofhandlingmoreinputoutputdevices.

Examplesare:PDP11,VAX,7500MAGNUMetc.

Ans(b).MainframeComputers

Mainframecomputersaredesignedtohandlehugevolumesofdataandinformation.Thesecansupportmorethanhundredusersatsametime.Theseverylargeandexpensivecomputershavegreatprocessingspeedsandverylargestoragecapacityandmemoryascomparedtominicomputers.Thesecomputersevenpossessandworkwithmorethanoneprocessoratthe

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sametime.Thusonecansaythesearemultiuser,multiprocessorsystems.Formainframecomputersverysophisticatedoperatingsystemsareneededtocontrolandsupervisetheiroperation.

Examplesare:ICL39,CDC6600,VAX8842,IBM3090/600,IBM4381.

Ans(c).Supercomputers

Supercomputersarethemostpowerfulcomputersamongdigitalcomputers.Theseconsistofseveralprocessorsrunningtogethertherebymakingthemimmenselyfasterandpowerful.Thesecomputersarecapableofhandlinghugeamountsofcalculationsthatarebeyondhumancapabilities.Supercomputerscanperformbillionsofinstructionspersecond.Someofthetodayssupercomputershavethecomputingcapabilityequaltothatof40,000microcomputers.AJapanesesupercomputerhascalculatedthevalueofPi()to16milliondecimalplaces.Thesearemainlyusedinapplicationlikeweatherforecasting,nuclearscienceresearch,aerodynamicmodeling,seismology,metrologyetc.

Examplesare:CRAYXMP14,CDC205,ETAGF10,FUJITSUVP400,NECSX2,PARAM,PACE.

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