computers11 ch5

Mongolia International University

Chapter 5Chapter 5

B.M.HB.M.H

Input and OutputInput and Output

MIUComputers

Learning ObjectivesLearning Objectives

TerminalsTerminals Dumb terminalsDumb terminals Intelligent terminalsIntelligent terminals

Computer GraphicsComputer Graphics Business graphicsBusiness graphics Video graphicsVideo graphics CAD/CAM, CIMCAD/CAM, CIM

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TerminalsTerminals

A device (or combination of devices) A device (or combination of devices) that combines both input and output that combines both input and output capabilities.capabilities.

TypesTypes Dumb terminalDumb terminal Intelligent terminalIntelligent terminal

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Dumb terminalDumb terminal

The simplest type of terminalThe simplest type of terminal Consists of Consists of

a a keyboardkeyboard for input for input a a monitormonitor for output for output

No processing capabilityNo processing capability Connects directly to a host Connects directly to a host

computercomputer

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Intelligent terminalIntelligent terminal

CombinesCombines A keyboardA keyboard A monitor A monitor with memory and a processorwith memory and a processor

performing limited processing functions ExampleExample

Display a input form on the screen Accept user input through the keyboard Perform editing and error-checking functions on the data Send the entire set of data to the host computer for

processing When the results are sent back, the terminal could format and

display those results on the screen

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Point-of-sale (POS) Point-of-sale (POS) terminalterminal

A combination of input and output devices A combination of input and output devices designed to capture retail sales data designed to capture retail sales data at the point where the transaction takes place.at the point where the transaction takes place.

The most familiar oneThe most familiar one Supermarket checkout stationSupermarket checkout station

Primary input device is the bar code reader built into the counter.

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Computer GraphicsComputer Graphics

Useful in education, science, sports, Useful in education, science, sports, computer art, and more, specially in computer art, and more, specially in businessbusiness Business GraphicsBusiness Graphics Video Graphics Video Graphics CAD/CAMCAD/CAM

Ex.Ex. The lines and charts of business graphicsThe lines and charts of business graphics Computer-produced animated graphics on Computer-produced animated graphics on

TV commercials or moviesTV commercials or movies

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Business GraphicsBusiness Graphics

A powerful way to impart informationA powerful way to impart information Colorful graphics, maps and chartsColorful graphics, maps and charts

- Compare data more easily- Compare data more easily

- Spot trends- Spot trends

- make decisions more quickly.- make decisions more quickly. As the underlying data changes, the graphs As the underlying data changes, the graphs

updated instantaneouslyupdated instantaneously More detail : Chapter 13More detail : Chapter 13

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Business GraphicsBusiness Graphics

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Video GraphicsVideo Graphics

A series of computer-produced A series of computer-produced picturespictures As creative as an animated cartoonAs creative as an animated cartoon

Ex.Ex. No live human in the advertisement, the No live human in the advertisement, the

moving objects you see on televisionmoving objects you see on television Television network’s logo and themeTelevision network’s logo and theme Arcade game with joystickArcade game with joystick

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Video GraphicsVideo Graphics

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CAD/CAMCAD/CAM

Provide a bridge between design and Provide a bridge between design and manufacturingmanufacturing

CADCAD((CComputer-omputer-AAided ided DesignDesign))(Planning what a product will be)(Planning what a product will be) Computer SW is used to create two- and three-Computer SW is used to create two- and three-

dimensional designs of everything dimensional designs of everything Additional SW performs various engineering test Additional SW performs various engineering test

such as stress tests and performance analyses.such as stress tests and performance analyses. The design data can then be passed to CAM systemThe design data can then be passed to CAM system

CAMCAM((CComputer-omputer-AAided ided ManufacturingManufacturing))(Actually making the planned product)(Actually making the planned product) Use computer to control production equipmentUse computer to control production equipment

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CAD/CAMCAD/CAM

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CIMCIM

CComputer-omputer-IIntegrated ntegrated MManufacturinganufacturing Integrates CAD/CAM and the entire Integrates CAD/CAM and the entire

manufacturing processmanufacturing process Production planning, scheduling, materials Production planning, scheduling, materials

management, production control are management, production control are automated under computer control, automated under computer control, providing a balanced, efficient production providing a balanced, efficient production processprocess

Ex) E-CIM,SAP/R3 at SAMSUMGEx) E-CIM,SAP/R3 at SAMSUMG