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technology > digital data > Flashcards

digital data Flashcards

1
Q

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what is a bit

A

a unit of computer storage that is made up of 0s and 1s

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2
Q

what is a integer number

A

an integer number can be a positive or negative number also has no decimal or fraction parts

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3
Q

what is a real number

A

includes whole numbers and fractional numbers also can be positive or negative

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4
Q

what is a vector image

A

a vector image is made up of is made up of lines curves and shapes

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4
Q

what is a jpeg

A

joint photographic expert group files support the compresssion of an image

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4
Q

what are bitmap graphics

A

bitmap images are images made up of pixel if you scale a bitmap larger the more pixels there are

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5
Q

what is streaming

A

streaming allows a video to be viewed on a website without a time delay

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5
Q

what is a tiff

A

tagged image file format files store bitmapeed images

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5
Q

what is data portability

A

is the ability to transfer data from one computer to another

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5
Q

what is a PNG

A

Portable network graphics allow data compression of bitmapped images

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5
Q

what is pict

A

the standard file format for apple graphic

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6
Q

what is a GIF

A

Graphics interchange format supports bitmapped image file format animated Gifs combine a series of GIFs to make a short video

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7
Q

what is a TXT

A

a plain text document that contains no text formatting

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8
Q

what is a CSV

A

A comma seperated value file is a text format file used by database and spreadsheet applications

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9
Q

what is a RTF

A

Rich text format is used for text based documents such as word processing

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10
Q

what is a mp3

A

a file format for compressing sound

11
Q

what is a mp4

A

similar to mp3 but a file format that compresses both sound and video

12
Q

what is MIDI

A

musical instrument digital interface allows sound samples to be interchanged between different musical instruments

13
Q

what is a MPEG

A

Motion picture experts group is a set of standards for compressing digital video

14
Q

what is a AVI

A

Adio video interleaved is a multimedia file format

15
Q

what is a PDF

A

portable document format is a file format that is read only the PDF file generated is usually smaller in file size than the original file

16
Q

what is a WAV

A

windows audio waveform is a file format standard for storing an audio bit stream on PCs.

17
Q

what is a WMA

A

windows media audio is an audio data compression file format

18
Q

what is data compression

A

data comression is used to reduce file size and at the same time maintain the quality of the data contained in the file

19
Q

what is lossy compression

A

compression mainly used on bitmap images and can’t

20
Q

what is buffering

A

buffering downloads a part of the video

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