_________ refers to the symbols that represent people, events, things, and ideas.
ANSWER:
Data
POINTS:
1
REFERENCES:
DATA REPRESENTATION BASICS
QUESTION TYPE:
Completion
HAS VARIABLES:
False
DATE CREATED:
7/31/2017 11:04 AM
DATE MODIFIED:
7/31/2017 11:07 AM
2. Data refers to the symbols that represent people, events, things, and ideas.
a.
True
b.
True / False
7/31/2017 11:08 AM
3. Data becomes _______ when it is presented in a format that people can understand and use.
information
7/31/2017 11:09 AM
4. Data __________ refers to the form in which data is stored, processed, and transmitted.
representation
7/31/2017 11:10 AM
7/31/2017 11:11 AM
5. Digital data can be __________ that have been converted into discrete digits such as 0s and 1s.
text
numbers
c.
graphics, sound, and video
d.
all of the above
d
Multiple Choice
7/31/2017 11:33 AM
7/31/2017 11:34 AM
6. The process of converting information, such as text, numbers, photos, or music, into digital data that can be manipulated by electronic devices is called ___________.
binary
digitization
none of the above
b
7/31/2017 11:35 AM
7. A file name extension indicates the file format.
7/31/2017 11:36 AM
8. The 0s and 1s used to represent digital data are referred to as _________ digits.
7/31/2017 11:37 AM
7/31/2017 11:38 AM
9. ________ data consists of numbers that can be used in arithmetic operations.
Text
Digital
Numeric
Binary
c
REPRESENTING NUMBERS
7/31/2017 11:39 AM
10. The binary number system has only two digits: 1 and 2.
7/31/2017 11:40 AM
11. The _______ number system allows digital devices to represent virtually any number simply by using 0s and 1s.
digital
numeric
7/31/2017 11:43 AM
7/31/2017 11:44 AM
12. Character data is composed of letters, symbols, and numerals that are used in calculations.
REPRESENTING TEXT
7/31/2017 11:45 AM
13. American Standard Code for Information Interchange (ASCII) requires __________ bits for each character.
two
six
seven
ten
7/31/2017 11:46 AM
14. Unicode uses________ bits and provides codes for 65,000 characters.
eight
sixteen
7/31/2017 11:47 AM
7/31/2017 11:48 AM
15. Plain, unformatted text is sometimes called ASCII text.
7/31/2017 11:49 AM
16. ASCII text files contain formatting.
7/31/2017 11:50 AM
7/31/2017 11:51 AM
17. In a formatted text file, ________ signal(s) the beginning and end of a formatting command.
delimiter, delimiters
7/31/2017 11:52 AM
18. All of the data stored and transmitted by digital devices is encoded as bits.
BITS AND BYTES
7/31/2017 11:53 AM
19. A group of eight bits is called a _______.
byte
megabit
numeric data
a
7/31/2017 11:54 AM
7/31/2017 11:55 AM
20. Transmission speeds are expressed in _______, whereas storage space is expressed in _______.
bits, bytes
bytes, bits
binary, numeric
7/31/2017 11:57 AM
21. Data ____________ refers to any technique that recodes the data in a file so that it contains fewer bits.
compression
COMPRESSION
7/31/2017 11:58 AM
22. Lossy compression provides a way to compress data and reconstitute it into its original state.
7/31/2017 11:59 AM
23. Lossy compression throws away some of the original data during the compression process.
7/31/2017 12:00 PM
24. Compressed files often have ______ at the end of the file name.
.exe
.zip
.txt
7/31/2017 12:01 PM
7/31/2017 12:02 PM
25. __________ is music, speech, and other sounds represented in binary format for use in digital devices.
MIDI (Musical Instrument Digital Interface)
Speech recognition
Speech synthesis
Digital audio
DIGITAL AUDIO BASICS
7/31/2017 12:03 PM
7/31/2017 12:05 PM
26. To digitally record sound, __________ of a sound wave is/are collected at periodic intervals and stored as numeric data in an audio file.
samples, sample, sampling
7/31/2017 12:06 PM
27. Sampling _______ refers to the number of times per second that a sound is measured during the recording process.
rate
depth
sound
7/31/2017 12:07 PM
7/31/2017 12:09 PM
28. To conserve space, applications that require high-quality sound use low sampling rates.
7/31/2017 12:10 PM
29. Regardless of sampling rate, digital audio file size can be reduced using audio compression techniques.
7/31/2017 12:11 PM
7/31/2017 12:13 PM
30. Most music for portable media players is stored in _______ audio file formats.
uncompressed
compressed
lossless
zipped
DIGITAL AUDIO FILE FORMATS
7/31/2017 12:15 PM
31. Digital audio is stored in a variety of file formats, including ___________.
WMA (Windows Media Audio)
WAV
MP3
7/31/2017 12:17 PM
7/31/2017 12:18 PM
32. Which of the following is NOT a format that is used for digital audio?
DOC
Ogg
7/31/2017 12:24 PM
33. A(n) _______ is software that works in conjunction with your computer’s browser to manage and play audio that you are accessing from a Web page.
audio plugin
7/31/2017 12:25 PM
34. The technical term for ripping music tracks is digital audio extraction.
7/31/2017 12:26 PM
35. ______ specifies a standard way to store music data for synthesizers and computers.
MIDI
7/31/2017 12:27 PM
7/31/2017 12:28 PM
36. MIDI files are less compact than digital audio files.
7/31/2017 12:32 PM
37. One of the main disadvantages of MIDI is that it cannot produce vocals.
8/1/2017 8:11 AM
8/1/2017 8:12 AM
38. _________ enables people to control software with spoken commands, as well as dictate text into a word processing document.
Phoneme
DIGITIZED SPEECH
8/1/2017 8:13 AM
39. __________ is the process by which machines produce sound that resembles spoken words.
8/1/2017 8:14 AM
40. Text-to-speech software analyzes the words in a section of text, finds corresponding phonemes, and combines them into sentences for output.
41. Speech recognition software analyzes the sounds of your voice and converts each word into groups of ________.
phonemes, phoneme
8/1/2017 8:15 AM
42. A bitmap graphic is composed of a grid of tiny rectangular cells.
BITMAP BASICS
8/1/2017 8:16 AM
43. Digital photographs are stored as bitmap files.
8/1/2017 8:17 AM
44. In a digital camera, a charge-coupled device’s (CCD’s) ________ correspond(s) to pixels.
photosites, photosite
8/1/2017 8:18 AM
45. Which of the following is NOT a type of bitmap format?
TIFF (Tagged Image File Format)
RAW
PNG (Portable Network Graphics)
ZIP
8/1/2017 8:19 AM
46. Bitmap images are formed by a grid of _____.
pixels
BITMAP DATA REPRESENTATION
8/1/2017 8:20 AM
47. Today’s color display devices represent color using the ______ color model.
RGB
PNG
BMP
8/1/2017 8:21 AM
8/1/2017 8:22 AM
48. The number of colors available in a graphic is referred to as color _________.
range
8/1/2017 8:23 AM
49. Eight-bit color depth is also called True Color.
8/1/2017 8:24 AM
8/1/2017 8:25 AM
50. The dimensions of the grid that forms a bitmap graphic are referred to as image __________.
resolution
8/1/2017 8:26 AM
51. Bitmap graphics are resolution dependent because each element is a discrete pixel.
8/1/2017 8:35 AM
8/1/2017 8:36 AM
52. An undesirable jagged appearance of a graphics image is referred to as _______.
pixelation
8/1/2017 8:39 AM
53. Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels.
polarization
interpolation
8/1/2017 8:41 AM
8/1/2017 8:42 AM
54. Image __________ refers to any technique that recodes the data in an image file so that it contains fewer bits.
IMAGE COMPRESSION
8/1/2017 9:35 AM
8/1/2017 9:36 AM
55. TIFF, PNG, and GIF (Graphics Interchange Format) graphics formats offer lossy compression.
8/1/2017 9:38 AM
56. Joint Photographic Experts Group (JPEG) files are compressed using lossy compression.
8/1/2017 9:39 AM
8/1/2017 9:40 AM
57. Lossy compression techniques discard some data from an image to shrink its file size.
8/1/2017 9:41 AM
58. Bitmap graphics are coded as a series of bits. Each bit represents the color of one ________.
pixel
MODIFYING BITMAP IMAGES
8/1/2017 9:42 AM
59. Image editors provide an image __________ that can be used to adjust the brightness values for various ranges of dark, mid-range, or light pixels.
histogram
8/1/2017 9:43 AM
60. In the context of bitmap graphics editing, what technique employs algorithms that pull pixels from one area of an image and then apply them to another area?
Inpainting
Cloning
Noise reduction
Image enhancement
8/1/2017 9:45 AM
61. A clipping ______ essentially cuts an object out of an image and knocks out the background to make it transparent.
path
8/1/2017 9:46 AM
62. What is the term used to describe altering the pixel colors where the edges of the object and the background meet, so that the object appears to merge with the background?
Alpha blending
Clipping path
8/1/2017 9:47 AM
8/1/2017 9:48 AM
63. A vector graphic consists of a set of instructions for creating a picture.
VECTOR GRAPHICS BASICS
8/1/2017 9:49 AM
64. Instead of storing the color value for each pixel, a vector graphics file contains instructions that a computer uses to create the shape, size, position, and color for each object in an image.
8/1/2017 9:50 AM
8/1/2017 9:51 AM
65. When you change the size of a(n) _______ graphic, the objects change proportionally and maintain their smooth edges.
vector
8/1/2017 9:52 AM
66. Vector graphics file size does not depend on the size and complexity of the image.
8/1/2017 9:53 AM
67. Which of the following options are well suited for using vector graphics?
Line art
Logos
Diagrams
All of the above
8/1/2017 9:54 AM
8/1/2017 9:55 AM
68. All bitmap graphics are photos.
8/1/2017 9:56 AM
69. Which of the following file extensions is NOT a vector graphic?
.svg
.eps
.tif
.ai
8/1/2017 9:57 AM
70. Both scanners and digital cameras produce vector graphics.
VECTOR TOOLS
8/1/2017 9:58 AM
71. What is another term for vector graphics software?
Drawing software
Photo editing software
Digital compositing
8/1/2017 9:59 AM
8/1/2017 10:00 AM
72. A vector graphic can be converted into a bitmap graphic through a process called _________.
rasterizing, rasterization
8/1/2017 10:02 AM
73. After a vector graphic is converted to a bitmap, the resulting graphic no longer has the qualities of a vector graphic.
8/1/2017 10:03 AM
74. 3D graphics are based on vectors stored as a set of instructions describing the coordinates for lines and shapes in a three-dimensional space. What do these vectors form?
A bitmap graphic
A zipped file
A wireframe
3D GRAPHICS
8/1/2017 10:04 AM
75. The process of covering a wireframe with surface color and texture is called _________.
rendering, render
8/1/2017 10:05 AM
76. Which of the following is the technique for adding light and shadows to a 3D image?
Rendering
Ray tracing
Wireframe
Rasterize
8/1/2017 10:06 AM
8/1/2017 10:07 AM
77. 3D graphics can be animated.
8/1/2017 10:08 AM
78. Which of the following tools would be found in 3D graphics software?
Rendering tools
Ray tracing tools
Surface texture tools
8/1/2017 10:09 AM
8/1/2017 10:10 AM
79. Digital video uses bits to store color and brightness data for each video frame.
DIGITAL VIDEO BASICS
8/1/2017 10:11 AM
8/1/2017 10:12 AM
80. Analog footage can be digitized using video _____ equipment.
capture
8/1/2017 10:13 AM
81. Digital ________ captures moving images as bits, rather than on film.
cinematography
8/1/2017 10:15 AM
82. Digital video is a core technology for which of the following?
Digital television
Videoconferencing systems
Video messaging
8/1/2017 10:17 AM
83. Which of the following is NOT a factor in the quality of digital video?
Frame rate and resolution
Color and bit depth
Compression technique
Memory technology in your camera
8/1/2017 10:18 AM
8/1/2017 10:19 AM
84. In digital video, each bitmap image is referred to as a(n) __________.
frame
8/1/2017 10:20 AM
85. The number of frames that are displayed per second is measured in _______.
fps
color depth
bps
8/1/2017 10:21 AM
8/1/2017 10:22 AM
86. Digital videos look sharpest when they are displayed at a resolution that is larger than the frame size.
8/1/2017 10:23 AM
87. Video resolutions can be expressed as width x height.
8/1/2017 10:24 AM
88. Today’s widescreen devices, such as laptops and smartphones, are designed for the 16:9 __________.
aspect ratio
frame rate
8/1/2017 10:25 AM
8/1/2017 10:26 AM
89. When 4:3 videos are displayed in a widescreen player, they are bordered by the black bars of a(n) _______.
letterbox
8/1/2017 10:27 AM
90. In digital video, as long as the proportion of horizontal and vertical pixels remains the same, the aspect ratio is consistent.
8/1/2017 10:28 AM
8/1/2017 10:29 AM
91. ________ is the number of bits that are processed during a specific unit of time, usually during one second.
Bit rate
Bit depth
Color depth
None of the above
8/1/2017 10:30 AM
92. Bit rate can be scaled down by reducing the resolution and applying ____________ techniques.
VIDEO COMPRESSION
8/1/2017 10:31 AM
8/1/2017 10:32 AM
93. In digital video, a lower resolution reduces the bit rate.
8/1/2017 10:33 AM
94. _______ compression can be applied to each frame of a video.
Intraframe
8/1/2017 10:34 AM
95. ________ compression stores only the pixels that change color from one frame to the next.
Interframe
8/1/2017 10:35 AM
96. Video compression can be expressed as a compression ______.
ratio
8/1/2017 10:36 AM
8/1/2017 10:37 AM
97. A(n) _______ is the software that compresses a video stream when a video is stored and decompresses the file when the video is played.
codec
bitmap
8/1/2017 10:42 AM
8/1/2017 10:46 AM
98. Video files are stored in ________ formats that hold the compressed video stream and an audio stream.
container
VIDEO FILE FORMATS
8/1/2017 10:48 AM
8/1/2017 10:49 AM
99. Which of the following is NOT a type of digital video container file?
MP4
AVI
VOB (Video Object)
8/1/2017 10:50 AM
8/1/2017 10:51 AM
100. Transcoding digital videos does not cause a loss of quality.
8/1/2017 10:53 AM
101. A live stream is also called a(n) _______________________.
download
Webcast
on-demand stream
digital audio extraction
8/1/2017 10:56 AM
8/1/2017 10:57 AM
102. A(n) ___________________ stream sends media to a local device where it is stored temporarily, or “buffered,” until there is enough data to begin playback.
live
on-demand
delayed
8/1/2017 10:58 AM
103. Image _______________ creates a panoramic image by combining two or more photographs that have overlapping edges.
stitching
cropping
compositing
PANORAMIC AND 360 IMAGES
8/1/2017 10:59 AM
104. Manipulating two-dimensional images to produce the illusion of three-dimensional depth is called ____________________.
pairing
stereoscopy
dimensionization
STEREOSCOPY
8/1/2017 11:00 AM
8/1/2017 11:01 AM
105. A(n) _____________________ is a graphic that uses red and blue overlays to create a stereoscopic effect.
stereo pair
anaglyph
VOB
JPEG
8/1/2017 11:02 AM
8/1/2017 11:03 AM
106. Which of the following projections captures a 360-degree image on a horizontal plane?
Rectilinear
Cylindrical
Spherical
Anaglyphic
8/1/2017 11:05 AM
107. _____________ adds computer-generated vector objects to a view of the real world.
Augmented reality
Cylindrical projection
Virtual reality
Stereoscopy
8/1/2017 11:07 AM
108. Pokemon Go is a game that’s based on ____________________ technology.
virtual reality
360 projection
augmented reality
lossless compression
8/1/2017 11:10 AM
109. When vector animations are used for special effects in movies, the animation sequences are _____________.
scanned into PNG format
pre-rendered into digital video clips
compressed into anaglyphs
rendered real time
VECTORS AND VIRTUAL REALITY
8/1/2017 11:11 AM
8/1/2017 11:12 AM
110. Many of the graphic sequences in video games require __________________ to produce a series of bitmap images while the game takes place.
real-time rendering
delayed buffering
spherical projection
motion cropping
8/1/2017 11:14 AM
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