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Industrial > Industrial Tech Multi Specific > Flashcards

Industrial Tech Multi Specific Flashcards

1
Q

Contrast the three different formats of fonts

A

“There are three different types of fonts. True type, open type and postscript. True type and open type are best used on screen. Open type has more characters available. Postscript are best used in high quality print environments.”

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2
Q

List formatting features of fonts

A

“Align, bold, italic, underline, size”

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3
Q

Distinguish between stroke and fill

A

“Stroke is the outline of a font, fill is the inside. This is also the case for shapes as well.”

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4
Q

What is the purpose of having headings and subheadings within a document?

A

To create dilineation of what is more important. You can make these consistant by the use of styles.

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5
Q

Outline why style sheets would be a good way to organise a text document?

A

Style sheets are a good way to create consistancy within the document. It is easier to set up and change later.

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6
Q

Define pagination

A

Pagination is the arrangement of paragraphs on the page of the document. You can force division of pages by the insertion of page break.

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7
Q

Contrast vector and bitmapped graphics

A

“Vector graphics are created using mathematical formula, and are scalable. Bitmapps are created using pixels, and mapping each bit against memory.”

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8
Q

Explain how vector images are stored

A

“Vector images are stored using mathematical equations (co-ordinates). This means that when they are resized, they can be moved and rescaled, so that all that is changed is the co-ordinates used to define each shape.”

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9
Q

Explain how bitmapped images are stored.

A

Bitmapped graphics are stored by storing individual pixels (dots) which make up an image.

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10
Q

Give examples of where vector images would be best used?

A

“Large scale images, CAD, 3D design, logos, cartoons, maps”

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11
Q

Give examples of where bitmapped images would be best used?

A

Photographs!

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12
Q

Explain how resolution affects an image.

A

“Resolution is essentially an images QUALITY. Resolution is the number of pixels in an image, made up of the length and height, but also the dpi (dots per inch) or ppi (Pixels per inch). Common ppi is 72 for screen, and 300 for print.”

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13
Q

Define Bit depth

A

Bit depth is the number of bits required to represent each pixel. We know that: 2^bit depth = number of colours. Also known as colour depth.

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14
Q

Define colour depth

A

Colour depth is the number of bits required to represent each pixel. We know that: 2^bit depth = number of colours. Also known as bit depth.

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15
Q

How do you calculate the file size of an image?

A

Resolution * Bit depth /8 * 1024

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16
Q

Describe features of TIFF Files

A

widely supported bitmap format, good with photographic as well as line art graphics (kind of the best of both worlds between jpeg and gif. Can be compressed a little, but not too much. generally about 10 x the file size of the equivalent sized jpeg.

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17
Q

Describe features of BMP Fiels

A

Uncompressed, good quality files. Generally just used in windows systems.

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18
Q

Describe features of PCX/PICT Files

A

An older format, that used to be the standard for graphic design. this has been surpassed by other, more standardised file formats.

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19
Q

Describe features of JPEG files

A

Lossy compression, averages out values of colours near each other to create common areas of colours. Good for photos. Standardised. Does not support transparency, or animation.

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20
Q

Describe features of GIF files

A

Good for fine line drawings, cartoons, maps, etc. Bitmapped format, but good compression, as uses lossless compression, where quality is restored on extraction. Gif is an 8 bit file format (256 colours) which supports transparency and animation.

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21
Q

Describe features of PNG Files

A

Good for fine line drawings, cartoons, maps, etc. Bitmapped format, but good compression, as uses lossless compression, where quality is restored on extraction.

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22
Q

Why would you use filters?

A

Filters allow a user to add a new aesthic a video file; this is inclusive of colour changing effects (sepia, darken, nightvision etc.)

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23
Q

What are special effects

A

Special effects are used to add to video/images digitally. This may include colour correction, chroma keying, motion blur, masking, camera shake.

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24
Q

Define anti-aliasing

A

Anti-ailiasing gives the illusion of a higher quality as it may smoothen edges of an image. However anti aliasing takes more to process (graphics card has to do more work) and may worsen the quality (as it is blurrier) on projects that are intended for printed.

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25
Q

Describe features of WMA

A

WMA files are Windows Media Audio files as these files are optimised for the windows operating system, which may be a negative when a user wants to use it on an apple system (as they need a different codec/program). These files have a low compression and therefore have a higher quality and file size when compared to files such as .mp4.

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26
Q

Describe features of midi files

A

MIDI (Musical Instrument Digital Interface) files are audio. These files store the sound with formulae, and therefore they may be more easily edited and manipulated by users.

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27
Q

Identify locations of where

you can source images from

A

Stock photography, creative commons, take photos yourself

28
Q

Outline advantages of using

layers in a MM project?

A

Layers allow you to sort, organise and stack things on top of each other as well as allowing masking and adding of filters to particular layers, and protecting others

29
Q

What are special effects

A

Special effects adds layers of animation to a video file, where things can be done that you would not necessarily be able to film in real life. For example, simple things like colour correction, chroma key backgrounds, lightning additions, and things exploding.

30
Q

Distinguish between sketch, skew and rotate

A

Stretch is taking an image and making it either taller or wider, whereas skew is taking the dge of the image at an angle and pushing it so that the left side goes up and the right side goes down (or vice versa), rotate is revolving the image so that ti us at a different angle.

31
Q

How is a sound file stored in memory

A

This involves taking a number of samples or ‘slices’ of the sound wave. This is called the sampling rate (Samples per second). Each sample is assigned a number of bits. This is called the sample size (or bit rate). Better quality sound is achieved by increasing the sampling rate and/or the sampling size. These co-ordinates then define the curve that the shape follows. The more of either of these elements, then the greater quality of the curve, therefore the better quality sound.

32
Q

Define Sampling

A

Sampling is the process of digitising sound by taking samples of the sound wave in order to correctly map the co-ordinates of the curve that defines the wave.

33
Q

Describe features of AIFF Files

A

AIFF is an apple based format that is used to store sound files. AIFF itself is uncompressed, but has variants that are compressed using certain codecs. It is high quality, and a higher file size than say, MP3.

34
Q

What is the difference between

MIDI file and a sound file?

A

A midi file is a programmed sequence of sound that is generated from the sound card, which plays sounds in a particular sequence. Sound files, however are simply recordings of sound, and are typefied by wave files.

35
Q

What considerations are there

regarding file size of a video?

A

Frames per second, resolution, length, bit depth

36
Q

Define:
• Lossy
• Lossless

A

Lossy is compression where data is thrown out and it is not restored on decompression. Lossless data is restored on decompression, so that there is very little loss in quality.

37
Q

Describe features of MPEG

Files (video)

A

Good compression ratio, highly standardised.

38
Q

Describe features of AVI Files

A

Uncompressed, good quality.

39
Q

What is the difference between
a transition and an effect in
video files?

A

Transitions occur between two clips (eg, fade in and out) and effects occur on top of the film (eg, colour correction)

40
Q

What is meant by

synchronising sound?

A

Aligning sound with the video so that you don’t have bad dubbing of lip synching and so that special sound effects sound at the correct time.

41
Q

What is cel animation?

A

Traditional hand made animation. Frame by frame, each drawing is done on a frame (traditionally, celluloid) and pieced together to create the illustion of movement

42
Q

What is path based animation?

A

Path based animation is where animation follows a particular sequence. (eg, a plane flying across the screen)

43
Q

What is behaviour based
animation? What is the
advantage of using this?

A

Behaviour based animation uses the mapped behaviour of swarms and places this data into an animation of something else. For example, a crowd of people or a battle field. This saves animating each individual element of the animation.

44
Q

What is morphing? Give

examples.

A

Morphing involves converting one image to another. Remember Michael Jackson’s Black or White.

45
Q

What effect does Frame Rate

have on an animation?

A

It effects the speed and smoothness of movement. Higher frame rates mean a smoother animation. It also effects the file size aas there are more frames per second.

46
Q

What is looping? Where would

this be used?

A

Looping is used to repeat elements within an animation. This is used to save time. For example, in the Simpson’s episode where they write the itchy and scratchy episode, the background is looped as they discuss this as a technique to save money and time

47
Q

What is modelling in 3D

Animation?

A

Creating the figure. Imagine modelling in clay. Essentially the same process

48
Q

Why would wireframing be

used?

A

Wireframing is used as the 3D model takes up a huge amount of memory, with the model and lighting and materials. Just using the wire-frame saves processing power.

49
Q

What is rendering?

A

Rendering is converting a project to a finalised format so that it is viewable on all computers ie. “I just rendered my video…man, that took forever!”

50
Q

Distinguish between warping and morphing

A

Warping is taking one image and altering it, pushing and pulling it around. Eg, you could make your ears look really big. Morphing is between two images.

51
Q

How does motion capture work

A

Motion capture works by placing coloured dots all over an object and videoing this, and mapping this against an animation. This was done with the movie Lord of the Rings (the best movie in the world) for the character of Gollum.

52
Q

What is VR?

A

Virtual reality is when you are totally emersed in an environment so that you interact with it. ie, your hand moves your hand in the game. This was developed into games like XBox Kinect, where it senses your body and interacts with the game, but it is not true VR as you are not totally immersed into the environment.

53
Q

Outline issues that you need to
consider regarding
appropriate usage.

A

Age controls…violence, sex, drug use, etc.
Respect towards others…religious and spiritual beliefs (eg, not showing of films of indigenous people without permission)

54
Q

Describe copyright

A

Copyright is the instant and automatic protection of your designs. It does not need to be registered or stated anywhere on works.

55
Q

Contrast different font types

A

Serif and sans serif and decorative fonts can be used. Serif: Good for headings on paper and online, sans serif good for printed paragraphs. Decorative is just cool text used to add design features

56
Q

Discuss why CSS might be used

A

CSS allows for easy headings and formatting of areas of a website, and allows the seperation of content and style. This means that any content in your webpage is easier to be read by screen readers, but it also allows for easier and more consistant styling.

57
Q

What is a hyperlink

A

A hyperlink is an interactive element that links to a new document.

58
Q

Give advantages of progressively loading images

A

These can be put on a website so that the website appears to load quicker (kind of like on facebook photos) where the images load quickly in low res by alternating downloaded lines of pixels, and then clarify over time.

59
Q

What are thumbnails

A

Preview images shown on a website (think google images)

60
Q

What is streaming

A

The transfer of video so that it can be watched while the transfer occurs (as opposed to downloading where you have to wait for the whole thing.

61
Q

Compare/Contrast two forms of video transfer

A

Video transfer types are RTSP and HTTP: RTSP allows live streaming and is good on mobile devices. HTTP is traditional streaming. An advantage of HTTP is that you don’t have to restream after you have viewed components. With RTSP, it progressively downloads, then throws away any data that it has streamed in order to save space on your device. This means you have to restream in order to rewatch.

62
Q

How does buffering work

A

Buffering is where in a video download process, a small part of the video is downloaded ahead of where you have watched, and saved in the RAM so that you can watch the video more quickly

63
Q

What is authoring?

A

Authoring is a process of creating an interactive work. Examples of this is where everything is integrated, similar to when you created your DVD in year 10.

64
Q

How is an image file stored?

A

Each individual pixel is mapped in memory, in terms of it’s location and colour. The number of pixels * amount of bits used per pixel (bit depth) is the file size

65
Q

What is sampling

A

A process where sections are taken of a sound file in order to digitise it.

Industrial (1 decks)

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