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OCR Computing > Representation of Data B (Images, Sound) > Flashcards

Representation of Data B (Images, Sound) Flashcards

1
Q

The smallest element of a bitmap image, normally arranged in a two-dimensional grid

A

Pixel

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2
Q

Pixel

A

The smallest element of a bitmap image, normally arranged in a two-dimensional grid

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3
Q

Common metadata standard used to store information about JPEG images

A

EXIF

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4
Q

EXIF

A

Common metadata standard used to store information about JPEG images

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5
Q

Word used to describe the detail of a digital image

A

Resolution

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6
Q

Resolution

A

Word used to describe the detail of a digital image

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7
Q

Refers to the number of bits used to represent the colour of each individual pixel

A

Colour Depth

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8
Q

Colour Depth

A

Refers to the number of bits used to represent the colour of each individual pixel

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9
Q

Image type consisting of various shades of a single colour

A

Monochrome

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10
Q

Monochrome

A

Image type consisting of various shades of a single colour

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11
Q

The frequency at which an analogue sound signal is converted
into digital

A

Sample Rate

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12
Q

Sample Rate

A

The frequency at which an analogue sound signal is converted
into digital

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13
Q

The precision at which each datum of sound is recorded

A

Sample Depth

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14
Q

Sample Depth

A

The precision at which each datum of sound is recorded

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15
Q

.WAV and .AIFF are file extensions for this category of audio file

A

Uncompressed

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16
Q

Uncompressed

A

.WAV and .AIFF are file extensions for this category of audio file

17
Q

The most common compressed audio format used today

A

MP3

18
Q

MP3

A

The most common compressed audio format used today

19
Q

The most common compressed image format used today

A

JPEG

20
Q

JPEG

A

The most common compressed image format used today

21
Q

A downside of storing better quality images/audio is that this attribute will be larger

A

File Size

22
Q

File Size

A

A downside of storing better quality images/audio is that this attribute will be larger

23
Q

Graphics format consisting of a matrix of dots

A

Raster

24
Q

Raster

A

Graphics format consisting of a matrix of dots

25
Q

Information about the image data that allows a computer to recreate the image from binary

A

Metadata

26
Q

Metadata

A

Information about the image data that allows a computer to recreate the image from binary

27
Q

The space available for each sample, measured in kilobits per second (kbits/s)

A

Bit rate

28
Q

Bit rate

A

The space available for each sample, measured in kilobits per second (kbits/s)

29
Q

This sound recording method has continuously changing values

A

Analogue

30
Q

Analogue

A

This sound recording method has continuously changing values

OCR Computing (11 decks)

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