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Comp > Ch 6 > Flashcards

Ch 6 Flashcards

1
Q

what is the art of creating videos using screens captured from video games

A

machinima

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2
Q

digital millennium copyright act made it illegal to

A

remove DRMs from protected files

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3
Q

what is the technology that is applied to digital media files to impose restrictions on the use of them

A

digital rights management
DRM

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4
Q

what is the default file type used by apple itunes software

A

advanced audio coding
AAC

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5
Q

which one creates files that are higher quality AAC or MP3

A

AACs

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6
Q

what are compression algorithms that reduce the size of digital media files

A

codecs

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7
Q

which type of compression removes info that humans cant normally dectect

A

lossy compression

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8
Q

can lossy compression or lossless compression be fully restored

A

lossless compression

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9
Q

what type of compression creates an encoded file by removing redundant info but can be fully decompressed

A

lossless compression

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10
Q

name 3 qualities of digital single lens reflex cameras DSLRs

A

uses interchangeable lens
can be manually focused
gives you more control
no shutter lag
best for action shots

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11
Q

what uses a mirror that enables you to see the image your about to shoot through a view finder

A

DSLRs

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12
Q

what has a crop factor sensor that is about 1/4 of full size

A

MFTs

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13
Q

what is an advanced point and shoot cameras that may have single lens or interchangeable lens, some manual controls, optical zoom lenses, and the ability to capture HD video

A

mirror less cameras

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14
Q

what is the difference between the shadows and highlights in an image

A

dynamic range

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15
Q

what enables you to take several pictures in quick succession by holding down the shutter button

A

burst mode

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16
Q

what compensates for camera shake to take sharper images

A

image stabilization

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17
Q

what is the time between pressing the button and the camera snapping the picture

A

shutter lag

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18
Q

which cameras are least expenisve

A

point and shoot cameras

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19
Q

what is the name of sensors that are smaller than full size and take in less light

A

crop factor sensors

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20
Q

what is the light detecting microchip that behaves like a piece of digital films

A

image sensor

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21
Q

what makes the object appear farther away and useful for shooting landscapes

A

wide angle lens

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22
Q

what enables you to zoom in on an object

A

telephoto lens

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23
Q

how do you calculate total zoom

A

optical zoom x digital zoom

24
Q

what crops the image and enlarges a portion of it

A

digital zoom

25
Q

digital zoom results in a zoomed image of lower quality because

A

the dpi doesn’t change

26
Q

what uses a zoom lens to change the focal length of the camera

A

optical zoom

27
Q

what has a stationary lens with a preset focal length that focuses well on objects within a specific distance

A

fixed focus

28
Q

when you point he camera at a subject and the camera adjusts the focal length by using a small motor to move the lens in our out is called

A

auto focusing

29
Q

what do you use to focus the camera

A

focal length

30
Q

the focal length is the distance at which subjects in front of the lens are in

A

sharp focus by changing or moving the lens

31
Q

what is the measure of the number of pixels in an image that is expressed in mega pixels

A

resolution

32
Q

how do you calculate resolution

A

length x width of the image in pixels

33
Q

you can also measure resolution in

A

dpi
dots per inch

34
Q

higher resolution equals

A

more detain and larger prints that you can make before quality suffers

35
Q

higher resolution also equals

A

larger file size

36
Q

what reality can you interact with 3d holograms created by laser or another light source

A

mixed reality

37
Q

what reality can overlay virtual content on the physical world

A

augmented reality
AR

38
Q

what are recordings of a real event or place , where the view in every direction is recorded at the same time using a special omnidirectional camera or a group of cameras

A

360 degree immersive video

39
Q

what is an artificial world that consists of images and sounds created by a comp and that is affected by the actions of a person who is experiencing it

A

virtual reality
VR

40
Q

when the user feels that they are surrounded by technology then it is

A

immersive technology

41
Q

what allows you to carry music and podcasts

A

portable media players

42
Q

what are tablets designed for reading and are lightweight and inexpensive

A

ereaders

43
Q

what is between a notebook comp and a smart phone

A

tablet

44
Q

what is a multifunction devices that blends telephone functions and computing in a small hand held device

A

smartphone

45
Q

what is the main computing device used today

A

smartphone

46
Q

in digital devices the audio or video data is represented by

A

0s and 1s

47
Q

digital devices can carry more ___ and are less prone to ____ than analog signals

A

data
interference

48
Q

what converts data signals into continuous electronic waves or pulses and then translates the pulses back into audio and video signals

A

analog devices

49
Q

what is an example of an analog device

A

legacy CRT monitors and telephones

50
Q

what is the intregration of text, graphics, videos, animation, and sound content

A

multimedia

51
Q

what enables you to take technology everywhere you go

A

digital mobile devices

52
Q

what describes the number of pixels in an image

A

resolution

53
Q

what is the distance at which subjects in front of the lens are in sharp focus

A

zoom

54
Q

which type of lens would be best for shooting a beach scene

A

wide angle

55
Q

which technology creates an image by taking multiple images at different exposures and stitching them together

A

high dynamic range HDR

56
Q

which codec is the default audio file type used by apple itunes

A

AAC

57
Q
A

Comp (9 decks)

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