Practical examples for different types of operating systems.

An operating system (OS) is a collection of programs that facilitates the execution of user programs and the use of resources.
There are 5 types of operating systems.
Batch processing operating system
Multiprogramming operating system
Time sharing operating system
Real-time operating system
Distributed operating system
In this presentation, you will find the practical applications of above-mentioned types of os like Air traffic control, payroll.

1. Practical
Examples for
Different types of
Operating system

2. Operating system
An operating system (OS) is a collection of
programs that facilitates execution of user
programs and use of resources.
There are 5 types of operating system.
Batch processing operating system
Multiprogramming operating system
Time sharing operating system
Real time operating system
Distributed operating system
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3. Batch Processing OS
Theydonotinteractwiththe
computerdirectly.
Thereisanoperatorwhichtakes
similarjobshavingthesame
requirementandgrouptheminto
batches.
Examples:
PayrollSystem,BankStatements,
DailyReport,ResearchSegment,
BillingSystemandetc.
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4. Payroll system
The payroll is usually processedonce a weekoronce a month(depending
upon how often the business pays its employees).
Thismeansthatbatch-processingisidealforpayrollprocessing:
Workinghoursdataiscollectedintoabatch
Thedatacanbeprocessedinonegoattheendoftheweek/month
Thesamecalculationswillbeperformedonallthedata
Nouserinputisrequiredduringtheprocessing
Theprocessingcanbedoneduringquiettimeswhenthecomputer
systemisnotbeingusedforotherthings(e.g.atnight)
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5. Batch Invoice Process
Thebatchingofaccountspayable
istheprocessofaggregating
invoicestobepaidintogroups,
orbatches.
Makingoneentryintheaccounting
recordsfortheentirebatchof
invoices.
Batchingisacommontechnique
usedtoreducejournalentries.
ithelpstheaccountinginformation
systemoperatemoreefficiently.
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6. TransactionsProcess
Inthebanksectors,usebatchsystemforeverytransactionsprocess,and
mostlyimplementtheinternationalmoneytransferssystem.
BillingSystem
Everytelecomoperators'organizationsusesthebatchsystemforprocessing
theallmillionscalldetailrecordsincludingcalculaterates.
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7. Multiprogramming OS
Themulti-programmingisinterleavedexecutionofmultiplejobsbythe
sameComputer.
whenoneprogramiswaitingforI/Otransfer;thereisanotherprogramreadyto
utilizetheCPU.So,itispossibleforseveraljobstosharethetimeoftheCPU.
Asimpleprocessofmulti-programmingisshowninfigure
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8. Onereallifeexample:UsercanuseMS-Excel,downloadapps,transferdatafromonepointto
anotherpoint,FirefoxorGooglechromebrowser,andmoreatasametime.
welistentomusicanddointernetbrowsingatthesametime(theyexecute
parallelly).
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9. Time-Sharing Operating
Systems
Eachtaskisgivensometimetoexecutesothatallthetasksworksmoothly.
MultitaskingOperatingsystem
Thetaskcanbefromasingleuserordifferentusersalso.
ThetimethateachtaskgetstoexecuteiscalledQuantum.
AfterthistimeintervalisoverOSswitchesovertothenexttask.
Examples:
Multics,UNIX,etc.
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10. Unix
Multi-user&Multi-taskingoperatingsystem.
Over30YearsOld-UNIXisover30yearsoldandit'spopularityanduseisstill
high.
LargeNumberofApplications–thereareanenormousamountof
applicationsavailableforUNIXoperatingsystems.Theyrangefromcommercial
applicationssuchasCAD,Maya,WordPerfect,tomanyfreeapplications.
FreeApplicationsandEvenaFreeOperatingSystem
LessResourceIntensive-ingeneral,mostUNIXinstallationstendtobe
muchlessdemandingonsystemresources.
InternetDevelopment-MuchofthebackboneoftheInternetisrunbyUNIX
servers.
ManyofthemoregeneralwebserversrunUNIXwiththeApachewebserver-
anotherfreeapplication.
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11. Features of UNIX
Eachusergrabsdedicatedtimeforall
operations.
Multipleonlineuserscanusesamecomputer
atsametime.
Endusersmakefeelthattheymonopolize
thecomputersystem.
Betterinteractioninbetweenusersand
computers.
User’srequestcanbemadeinsmalltime
respond.
Itdoesnotneedlongerhavetowaitforlast
tasktoendtogetprocessor.
Ithasabilitytomakequickprocessingwith
lotoftasks.
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12. Real time OS
ThesetypesofOS’sservereal-time
systems.
timeintervaltoprocessandrespond
toinputsisverysmall.Thistime
intervaliscalledresponsetime.
Real-timesystemsareusedwhen
therearetimerequirementsthatare
verystrict
Example:missilesystems,airtraffic
controlsystems,robots,etc.
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13. Air Traffic control system
Airtrafficcontrol(ATC)isaservice
providedbyground-basedcontrollers
whodirectaircraftonthegroundand
throughcontrolledairspaceandcan
provideadvisoryservicestoaircraftin
non-controlledairspace.
Theprimarypurpose:
topreventcollisions,organizeand
expeditetheflowoftraffic,andprovide
informationandothersupportfor
pilots.
ATCplaysasecurityordefensiverole
orisoperatedbythemilitary.
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14. Distributing Operating System
A collection of softwarethat manages
computer hardware resources and provides
common services for computer programs.
Processors communicate with each other
through various communication lines are
known asloosely coupled systemsor
distributed systems.
In a DOS the following occurs:
All software and hardware compounds are
located remotely.
Resource sharing: Resources are managed
by servers and clients use these resources.
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15. World Wide
Web
Distributed client-server
service.
Aclientcanaccesstheservices
fromaserverusingabrowser.
Theseservicesareusually
distributedovermanylocations
calledsitesandwebsites.
Theyarelinkedtogetherusing
hypertext.
Hypertextisawordorwords
thatcontainalinktoa
website.
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16. Thank you
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