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OUTPUT DEVICES > A OUTPUT DEVICES > Flashcards

A OUTPUT DEVICES Flashcards

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1
Q

WHAT IS AN OUTPUT DEVICE?

A

AN OUTPUT DEVICE IS ALWAYS HARDWARE THAT RECEIVES INFORMATION FROM AND INPUT DEVICE AND DISPLAYS IT.

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2
Q

WHAT DIFFERENT OUTPUT DEVICES ARE THERE?

A

SCREEN, PRINTER, SPEAKER, HEADPHONES, PROJECTOR,

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3
Q

WHAT ARE THE DIFFERENT WAYS TO DISPLAY INFORMATION?

A

IMAGES, AUDIO FILES (MP3s), VIDEO FILES (MP4s),

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4
Q

WHAT IS AN IMAGE?

A

AN IMAGE IS A LOT OF TINY PIXELS FORMED IN NEAT ROWS AND COLUMNS THAT COLOURS THAT CAN

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5
Q

WHAT IS AN AUDIO FILE (MP3s)?

A

AN AUDIO FILE IS A FILE FORMAT STORING DIGITAL AUDIO DATA ON A COMPUTER SYSTEM

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6
Q

WHAT IS A VIDEO FILE (MP4s)?

A

A VIDEO FILE IS A FILE FORMAT STORING STRONG DIGITAL VIDEO DATA

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7
Q

WHAT IS PERIPHERAL?

A

AN EXTENDED DEVICE THAT IS CONNECTED TO A COMPUTER

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8
Q

WHAT IS A SOFT COPY?

A

DATA AND INFORMATION THAT IS VIRTUAL

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9
Q

WHAT IS A HARD COPY?

A

DATA AND INFORMATION THAT IS PHYSICAL

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10
Q

WHAT IS A FOOTPRINT?

A

THE SPACE TAKEN UP BY PERIPHERAL

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11
Q

WHAT ARE PIXELS?

A

PIXELS ARE SHORT FOR PICTURE ELEMENT; THEY ARE ILLUMINATED DOTS; MANY PIXELS TOGETHER FORM AN IMAGE

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12
Q

WHAT IS A RESOLUTION?

A

RESOLUTION IS THE NUMBER OF PIXELS DISPLAYED

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13
Q

WHAT DOES LED STAND FOR

A

LIQUID EMITTING DISPLAY

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14
Q

WHAT DOES LCD STAND FOR

A

LIQUID CRYSTAL DISPLAY

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15
Q

WHAT IS DPI

A

DOTS-PER-INCH WHICH JUST MEANS THE RESOLUTION OF A PRINTED IMAGE

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16
Q

WHAT IS AN INKJET PRINTER?

A

AN INKJET USES INK TO PRINT INFORMATION. THE INK IS PROVIDED IN A CARTRIDGE AND IS SPRAYED THROUGH MICROSCOPIC NOZZLES ONTO PAPER. COLOUR INKJET PRINTERS OFTEN HAVE 4 CARTRIDGES, ONE FOR EACH CMYK COLOUR

17
Q

WHAT IS A LASER PRINTER?

A

A LASER PRINTER USES A SPECIAL POWDER CALLED TONER TO PRINT OUT THE INFORMATION. THE TONER IS PROVIDED IN A CARTRIDGE. COLOUR LASER PRINTERS OFTEN HAVE 4, ONE FOR EACH CMYK CARTRIDGE.

18
Q

WHAT ARE THE DIFFERENCES BETWEEN A LASER AND INKJET PRINTER?

A

INKJET USES INK AND LASER USES A SPECIAL POWDER.

19
Q

WHAT DOES CAD STAND FOR?

A

COMPUTER AIDED DESIGN WHICH IS JUST SOFTWARE THAT ALLOWS A USER TO DESIGN AND CREATE AN IMAGE OF AN OBJECT

20
Q

WHAT DOES CAM STAND FOR?

A

COMPUTER AIDED MANUFACTURING WHICH IS JUST A COMPUTER THAT CONTROLS MACHINERY TO MANUFACTURE AN OBJECT

21
Q

WHAT DOES CNC STAND FOR?

A

COMPUTER NUMERICAL CONTROL WHICH IS JUST THE METHOD OF CONTROL USED BY CAM

22
Q

WHAT ARE SPEAKER/HEADPHONES?

A

SPEAKERS ARE A DEVICE USED TO OUTPUT SOUND, FOR SOUND TO BE OUTPUT, THE DIGITAL SOUND FILE NEEDS TO BE CONVERTED, TO ANALOGUE, SIGNAL VIA THE USE OF A DIGITAL TO ANALOGUE CONVERTER

23
Q

WHAT DOES DAC STAND FOR?

A

DIGITAL ANALOGUE CONVERTER WHICH IS A DEVICE THAT CONVERTS DIGITAL SIGNALS TO ANALOGUE

OUTPUT DEVICES (1 decks)

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