output device

Monday, April 10, 2023 PRESENTATION:OUTPUT DEVICES 1

OUTPUT DEVICESSUBMITTED BY: M.BAQAR ZAIDI

SUBMITTED TO: MISS SABIKA

AL-HADI ACADEMY


OUTPUT DEVICESDEFINITION:Any device that outputs information from a computer is called an output device.

http://www.techterms.com/definition/output


TYPES OF OUTPUT DEVICES THE MONITOR THE PRINTER THE PLOTTER THE SPEAKER FACSIMILE TRANSMISSION INTERNET TELEPHONY MULTIFUNCTIONAL DEVICES


THE MONITORDEFINITION:The monitor is the most common and the most important output device. It is also called a visual display unit. The output viewed on a monitor is called soft copy.

PRESENTATION:OUTPUT DEVICES 5Monday, April 10, 2023

TYPES OF MONITOR THE CATHODE RAY TUBE (CRT) THE LIQUID CRYSTAL DISPLAY (LCD) THE PLASMA SCREEN THE E-BOOK READER THE DATA PROJECTER HIGH-DEFINITION TELEVITION (HDTV)


The CRT MonitorDEFINITION:CRT stands for Cathode Ray Tube. CRT monitors are older types of monitors. The are curved and bulky.

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The LCD MonitorDEFINITION:LCD stands for Liquid Crystal Display. LCD monitors are more advanced. They provide a flat image and do not flicker.

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The Plasma ScreenDEFINITION:Plasma screens are bright screens that can be produced in large size (up to 84 inches). They are used in televisions and are more expensive than CRTs and LCDs.


The E-Book ReaderDEFINITION:An E-book (electronic book) reader is a hand-held, book-sized device that displays text and graphics


The Data ProjectorDEFINITION:A data projector projects output on a large screen or wall. Data projectors are used to give presentations in class rooms and offices.


The HDTVDEFINITION:High-definition television applies microcomputer technology to television. It is also called PC/TV. HDTV gives a clearer and more detailed wide-screen picture than ordinary TV.


THE PRINTERDEFINITION:A printer is an output devices to print text and images on paper or other media. Such output is hard copy


TYPES OF PRINTER

THE LASER PRINTERTHE THERMAL PRINTERTHE INK-JET PRINTERTHE DOT-MATERIX PRINTER


The Laser PrinterDEFINITION:The laser printer can print large quantities at a great speed. It is also called page printer because it print a complete page at a time. There are two types of laser printer.1.Personal laser printer 2.Shared laser printer


The Thermal PrinterDEFINITION:A thermal printer is a printer that uses heat to burn an image onto specially-treated paper. These printers are used at some POS terminals.


The Inkjet PrinterDEFINITION:An ink-jet printer prints text and images by spraying ink of different colours at a high speed. The speed is measured in page per minute (ppm).


The Dot Matrix PrinterDEFINITION:A dot-matrix printer printers character and images by using a series of small pins on a print head. It is also called a character printer because it prints one character at a time.

PRESENTATION:OUTPUT DEVICES 18Monday, April 10, 2023

THE PLOTTERDEFINITION: A plotter is a special printer that produces high-quality output using pens. Plotters create large-sized, multicolored documents like maps and engineering drawing.


THE SPEAKER

DEFINITION: A speaker transmits output in the form of sound. A sound card installed on a computer produces high-quality sound for music and games.


FACSIMILE TRANSMISSION:THE FAX MACHINE

DEFINATION: A fax machine sends and receives messages over telephone lines. It uses regular telephone lines to send copies of document which may include drawings as well as text.

Monday, April 10, 2023 21PRESENTATION:OUTPUT DEVICES

INTERNET TELEPHONYDEFINITION:Internet telephony uses the internet instead of telephone lines to connect two or more people via telephone calls can be made cheaply. Microphone and headset/speaker are connected to the computer at the two ends. This can be used like a telephone receiver to have conversations.


MULTIFUNCTIONAL DEVICES

DEFINITION:Multifunctional devices combine the capabilities of a scanner ,fax machine ,printer and a photocopier. The quality of output is poorer than produced by separate , single-purpose devices

output device

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