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UTA INSY 2303 Final Exam - Questions &Answers
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UTA INSY 2303 Final Exam - Questions &AnswersThe _______ number system allows digital devices to represent virtually any
number simply by using 0s and 1s. (Unit 1) ✔️Ans - Binary
Most graphics software uses a process called pixel _________ to create new
pixels by averaging the colors of nearby pixels. (Unit 1) ✔️Ans -
Interpolation
MIDI files are less compact than digital audio files. (Unit 1) ✔️Ans - False
Which of the following options are well suited for using vector graphics? (Unit
1) ✔️Ans - All of the above
A(n) _______ is the software that compresses a video stream when a video is
stored, and decompresses the file when the video is played. (Unit 1) ✔️Ans
- Codec
One of the main disadvantages of MIDI is that it cannot produce vocals. (Unit
1) ✔️Ans - True
Most music for portable media players is stored in _______ audio file formats.
(Unit 1) ✔️Ans - Compressed
Which of the following is NOT a type of bitmap format? (Unit 1) ✔️Ans -
ZIP
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. (Unit 1) ✔️Ans - True
__________ is music, speech, and other sounds represented in binary format for
use in digital devices. (Unit 1) ✔️Ans - Digital audio
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? (Unit 1) ✔️Ans - Cloning
,Digital data can be __________ that have been converted into discrete digits such
as 0s and 1s. (Unit 1) ✔️Ans - All of the above
8-bit color depth is also called True Color. (Unit 1) ✔️Ans - False
Both scanners and digital cameras produce vector graphics. (Unit 1) ✔️Ans
- False
Lossy compression techniques discard some data from an image to shrink its
file size. (Unit 1) ✔️Ans - True
In digital video, a lower resolution reduces the bit rate. (Unit 1) ✔️Ans -
True
TIFF, PNG, and GIF graphics formats offer lossy compression. (Unit 1)
✔️Ans - False
A bitmap graphic is composed of a grid of tiny rectangular cells. (Unit 1)
✔️Ans - True
Lossy compression throws away some of the original data during the
compression process. (Unit 1) ✔️Ans - True
_________ enables people to control software with spoken commands, as well as
dictate text into a word processing document. (Unit 1) ✔️Ans - Speech
recognition
To conserve space, applications that require high-quality sound use low
sampling rates. (Unit 1) ✔️Ans - False
Which of the following is NOT a format that is used for digital audio? (Unit 1)
✔️Ans - DOC
Digital photographs are stored as bitmap files. (Unit 1) ✔️Ans - True
Digital video is a core technology for which of the following? (Unit 1) ✔️Ans
- All of the above
, Which of the following is NOT a type of digital video container file? (Unit 1)
✔️Ans - PNG
In digital video, as long as the proportion of horizontal and vertical pixels
remains the same, the aspect ratio is consistent. (Unit 1) ✔️Ans - True
Sampling _______ refers to the number of times per second that a sound is
measured during the recording process. (Unit 1) ✔️Ans - Rate
JPEG fields are compressed using lossy compression. (Unit 1) ✔️Ans - True
Video resolutions can be expressed as width x height. (Unit 1) ✔️Ans -
True
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? (Unit 1) ✔️Ans - A wireframe
The number of frames that are displayed per second is measured in _____. (Unit
1) ✔️Ans - Fps
A file name extension indicates the file format. (Unit 1) ✔️Ans - True
Today's color display devices represent color using the _____ color model. (Unit
1) ✔️Ans - RGB
Vector graphics usually require more storage space than bitmaps. (Unit 1)
✔️Ans - False
Regardless of sampling rate, digital audio file size can be reduced using audio
compression techniques. (Unit 1) ✔️Ans - True
Plain, unformatted text is sometimes called ASCII text. (Unit 1) ✔️Ans -
True
Compressed files usually have _____ at the end of the file name. (Unit 1)
✔️Ans - .zip
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