UTA INSY 2303 Exam 1 (Units 1-4)
Which of the following is NOT a format that is used for digital audio?
DOC
Most graphics software uses a process called pixel _________ to create new pixels by averaging the colors of nearby pixels.
Interpolation
To conserve space, applications that require h...
UTA INSY 2303 Exam 1 (Units 1-4)
Which of the following is NOT a format that is used for digital audio?
DOC
Most graphics software uses a process called pixel _________ to create new
pixels by averaging the colors of nearby pixels.
Interpolation
To conserve space, applications that require high-quality sound use low
sampling rates.
False
ASCII requires __________ bits for each character.
Seven
Which of the following file extensions is NOT a vector graphic?
.tif
The _______ number system allows digital devices to represent virtually any
number simply by using 0s and 1s.
Binary
Bitmap graphics are resolution dependent because each element is a discrete
pixel.
True
What is the term used to describes 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
JPEG files are compressed using lossy compression.
True
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?
Cloning
Vector graphics usually require more storage space than bitmaps.
False
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
Compressed files usually have ______ at the end of the file name.
.zip
The number of frames that are displayed per second is measured in _______.
fps
3-D graphics can be animated.
True
_________ enables people to control software with spoken commands, as well as
dictate text into a word processing document.
Speech recognition
Text-to-speech software analyzes the words in a section of text, finds
corresponding phonemes, and combines them into sentences for output.
, True
Lossy compression provides a way to compress data and reconstitute it into its
original state.
False
Which of the following options are well suited for using vector graphics?
Logos
Diagrams
Line art
Which of the following is NOT a factor in the quality of digital video?
Memory technology in your camera.
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.
True
Which of the following is NOT a type of digital video container file?
PNG
3-D 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 wireframe
Both scanners and digital cameras produce vector graphics.
False
Which of the following is the technique for adding light and shadows to a 3-D
image?
Ray tracing
The technical term for ripping music tracks is digital audio extraction.
True
Today's color display devices represent color using the ______ color model.
RGB
A file name extension indicates the file format.
True
A bitmap graphic is composed of a grid of tiny rectangular cells.
True
Lossy compression techniques discard some data from an image to shrink its file
size.
True
Which of the following tools would be found in 3-D graphics software?
Surface texture tools
Rendering tool
Ray tracing tools.
Transcoding digital videos does not cause a loss of quality.
False
________ data consists of numbers that can be used in arithmetic operations.
Numeric
In digital video, as long as the proportion of horizontal and vertical pixels remains
the same, the aspect ratio is consistent.
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