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Digital Media 1 > Quiz1 > Flashcards

Quiz1 Flashcards

1
Q

Aperature

A

A circular opening in the lens that controls the light reaching the image sensor

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2
Q

Brightness

A

The value assigned to a pixel to define the relative lightness of a pixel. In color, the amount of lightness or darkness in the color

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3
Q

Color

A

Aspect of an image made up of a hue,saturation and brughtness

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4
Q

Composite

A

In photography, an image composed of two or more parts of an image, taken either from a single photo or from multiple photos. Usually, composites are created so that the elements blend smoothly together.

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5
Q

Contrast

A

The difference in brightness between the darkest and lightest areas of an image or subject

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6
Q

Creation tools

A

A group of tools in photoshop designs to create new pixels, such as text and shape

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7
Q

Crop

A

To trim an image or page by cutting away its boundaries

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8
Q

Depth of field

A

A distance dance in a photograph in which all included portions of an image are in focus. Variable by aperture, focal length or subject distance.

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9
Q

Desaturate

A

To reduce the purity or vividness of color, making color appear to be washed out or diluted

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10
Q

Digital image

A

A computer generated photograph composed of pixels rather than film grain

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11
Q

Digital media

A

Any message that has been stored electronically and coded as numbers

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12
Q

Exposure

A

The amount of light allowed to reach the film or sensor, determined by the intensity of the existing light, te amount admitted by the lens, and the length of time determined by the shutter speed.

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13
Q

Feather

A

The action of softening the edge of a digital selection

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14
Q

Filter

A

In image editing, a feature that changes the pixels in an image to produce blurring, sharpening and other special effects

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15
Q

Focus

A

To adjust the lens to produce a sharp image

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16
Q

Framing

A

In photography, composing your image in the viewfinder. In composition, using elements of an image to form a sort of picture frame around an important subject

17
Q

Hue

A

The name of a color, the spectral wavelength of the color

18
Q

Image size

A

The pixel dimensions, output dimensions and resolution used to define a digital image.

19
Q

JPEG

A

joint photographic experts group- a file format that supports 24-bit color and reduces file sizes by selectively discarding image data. Digital cameras generally use JOEG compression to pack more images onto memory cards

20
Q

Landscape

A

Horizontal orientation

21
Q

Layer

A

A feature in digital editing software that allows a composite digital image where each element is on a separate layer

22
Q

Marching ants

A

A moving broken line indicating a digital selection of pixelx

23
Q

Mergers

A

Distracting background objects that appear to be attached to the subject of an image

24
Q

Modification tools

A

A group of tools in photoshop designed to change existing pixels in an image

25
Q

Opacity

A

Degree to which light is not allowed to pass through an image. Opposite of transparency

26
Q

Orientation

A

Landscape or portrait

27
Q

Perspective

A

The angle and position from which a photo is taken

28
Q

Pixel

A

The smallest square picture element in a digital image

29
Q

Pixelated

A

When pixels are visible

30
Q

Portrait

A

Vertical

31
Q

.psd

A

Image file which stores photoshop document

32
Q

Resolution

A

An,erasure of degree of definition, sharpness

33
Q

Rule of thirds

A

Divide frame into thirds to help place subjects

34
Q

Saturation

A

Intensity, vividness, richness of color

35
Q

Selection

A

An area of an image chosen for manipulation, usually surrounded by marching ants

36
Q

Selection tools

A

A group of tools in photoshop designed to choose groups of pixels for manipulation

37
Q

Shutter speed

A

Camera setting which determines the length in time which the film or device is exposed to light. Measured in fractions of seconds

38
Q

Transparency

A

Degree to which light is allowed to pass through an image

39
Q

Zoom

A

Enlarge or reduce the size of an image

Digital Media 1 (4 decks)

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