Categories of Computers in Information Technology.pdf

These are the Types of Computers

1. Categories of
Computers

2. Categories of Computers
•Mainframe Computers
•Supercomputers
•Minicomputers
•Microcomputers or personal computers

3. Mainframe Computers
•Largeandpowerfulcomputersthatareusedby
manypeople(users)atthesametime;typically
installedinlargeorganizations
•locatedinacentralplaceandaccessedbyusersvia
computerterminalsorothercomputersplacedat
differentlocationsandconnectedtothemainframe
computer

4. Mainframe Computers

5. Supercomputers
-arethefastest,mostpowerful,andthemost
expensivecomputer
-thefastestsupercomputersarecapableof
processingmorethanonequadrillioninstructionsin
asinglesecond
-withweightsthatexceed100tons,these
computerscanstoremorethan20,000timesthe
dataandinformationofanaveragedesktop
computer

6. Supercomputers

7. Minicomputers
•aremedium-sizedcomputersbetweenmainframe
computersandmicrocomputers
•alsousedbymanyusersatthesametime
•usedinsmallorganizations

8. Minicomputers

9. Microcomputers/
Personal Computers
-computersthatcanperformallofitsinput,
processing,output,andstorageactivitiesbyitself
-containsaprocessor,memory,andoneormore
input,output,andstoragedevices
-twopopulararchitecturesofpersonalcomputers
arethePCandtheapple

10. Desktop
-isdesignedsothatthe
systemunit,inputdevices,
outputdevices,andany
otherdevicesfitentirelyon
orunderadeskortable

11. Notebook Computers/
Laptops
•portablecomputersthat
integratethedisplay,
keyboard,pointingdevice,
processor,memory,and
harddriveallinabattery-
operatedpackageslightly
largerthananaverage
hardcoverbook

12. Netbooks
•ultra-portablecomputers
thatareevensmallerthan
traditionallaptops
•cheaperthanalmostany
brandnewlaptopbutless
powerfulthanthosein
regularlaptops

13. Tablets
•thin,lightweightmobile
computerthathasatouch
screen

14. Wearable Computer
•latesttrendincomputing
•Essentially,common
computerapplications(e-
mail,database,multimedia,
calendar/scheduler)are
nowintegratedinto
watches,visors,andeven
clothing

15. Game Consoles
•highlyspecializedcomputer
designedtoallowoneormore
userstoplaycomputergames
•usuallyusedtogetherwitha
televisionorothertypeof
displaydevice

16. Components of
a Computer
System

17. Input Devices
•Keyboard
•PointingDevices
•TouchScreens/Terminals
•PenInput
•GameControllers
•DigitalCamera
•Voice/VideoInput
•Scanners/ReadingDevices
•BiometricInput

18. Keyboard

19. Pointing Devices/Mouse

20. Touch Screens/Terminals

21. Pen Input

22. Game Controllers

23. Digital Camera

24. Voice/Video Input

25. Scanners/Reading Devices

26. Biometric Input

27. Output Devices
•DisplayDevices
•Printers
•Speakers/Headphone/Earbuds
•OtherOutputDevices

28. Display Devices/Monitors

29. Printers

30. Speakers/Headphone/Earbuds

31. Storage Devices
•HardDisks
•FlashMemory
•OpticalDisks
•OthertypesofStorage

32. Hard Disk Drive

33. Flash Memory

34. Optical Disks

35. Components of the System Unit
•Motherboard
•Processor
•Memory
•ExpansionSlotsandAdapterCards
•PortsandConnectors
•PowerSupply

36. Motherboard

37. Processor

38. Memory

39. Expansion Slots and Adapter Cards

40. Ports and Connectors

41. Power Supply

42. Application
Software

43. Application Software
•consistsofprogramsdesignedtomakeusersmore
productiveand/orassistthemwithpersonaltasks
•hasvarietyofuses
1.tomakebusinessactivitiesmoreefficient
2.toassistwithgraphicsandmultimediaprojects
3.tosupporthome,personal,andeducationaltasks
4.tofacilitatecommunications

44. Types of Application Software
•BusinessSoftware
•Graphics/Multimedia
•Home/Personal/EducationalSoftware
•WebApplications

45. Business Software
•isapplicationsoftwarethatassistspeopleinbecomingmore
effectiveandefficientwhileperformingtheirdailybusiness
activities
•includesprogramssuchas:
1.wordprocessing6.personalinformationmanager
2.spreadsheet7.projectmanagement
3.database8.documentmanagement
4.presentation9.enterprisecomputingsoftware
5.notetaking10.accountingsoftware

46. •computer-aideddesign
•desktoppublishing
•paint/imageediting
•photoediting
•videoandaudioediting
•multimediaauthoring
•webpageauthoring
Graphics/Multimedia Software

47. •PersonalFinanceSoftware
•PersonalPaint/ImageEditingSoftware
•PersonalPhotoEditingSoftware
•ClipArt/ImageGallery
•HomeDesign/LandscapingSoftware
•EducationalSoftware
•EntertainmentSoftware
Home/Personal/Educational Software

48. •isawebsitethatallowsuserstoaccess
andinteractwithsoftwarefromany
computerordevicethatisconnectedto
theinternet
Examples:
Britannica.comFacebook
Dictionary.comTwitter
Gmail
GoogleMaps
Web Applications

49. Youwillbeaskedtoinventanapplicationsoftware.Thinkaboutaparticular
applicationsoftwarethathasnotbeeninventedbutispossibletobeinventedin
thenearfuture.Drawalogoofyourapplicationsoftwareaswellasitssample
lookwhenopenedandusedandanswerthefollowingquestionsbelow.
1.Whatisyourapplicationsoftware?Whatdoesitdo?
2.Howisyourapplicationsoftwaresimilartoordifferentfromotherexisting
applicationsoftwareintermsoffunction?
3.Whyisthereaneedforthissoftware?Howwillitbenefitthepeoplewhowill
beusingitandthesocietyingeneral?
First Quarter Exam –By group

50. Drawing/Illustration–20points
Answerstoeachquestion–10x3=30points
TOTAL=50POINTS
Criteria for Scoring