Computers Chapter 7
What type of software do engineers and scientists use to create wireframe drawings of objects, which they can rotate to view from many angles?
3-D CAD software
Vijay is creating a cartoon with 3-D objects that have volume and can rotate 360 degrees. What type of cartoon is Vijay making?
3-D animation
Alejandro wants to post an animation on his social media page that shows a series of slightly different images displayed in sequence. What type of animation should he select?
Animated GIF
Computer-aided design software helps architects, engineers, and scientists to design, analyze, and manufacture products with the precision of human-level intelligence. Which of the following technologies does CAD incorporate to achieve this?
Artificial intelligence and machine learning
A construction firm intends to use technology to enhance their architectural designs architecture. Which of the following technologies should they use?
CAD software
What do engineers use to create highly detailed and technically accurate drawings?
CAD software
Of all types of digital media, digital video files are the smallest and download faster than the other types. (T/F)
False
Of the two types o digital animation, 2-D animation is considered superior to 3-D animation (T/F)
False
A bitmap image is provided in two different resolutions. Image 1 has a resolution of 1500 x 1225. Image 2 has a resolution of 500 x 350. Which of the following statements is true when the sizes of both the files are increased by 25 percent?
Image 1 is sharper and has a larger file size than image 2
Carlos is creating an animation by drawing one image in a frame, followed by another image in a slightly different pose, and so on until the motion is complete. What is this technique called?
In-between
A(n) ________ file uses lossy compression, which discards some of the original file data during compression
JPG or JPEG
Which technology converts the electric current from a musical synthesizer to digital form so you can play the synthesized music on a mobile device?
MIDI technology
Which of the following is NOT an image format to store photos?
MP3
For _____, the original media file is stored on the media distributor's server, so you can watch the content more than once
On-demand content
Edwin owns a smartphone with a digital assistant that recognizes words and phrases and provides appropriate answers to his questions. What technology does the smartphone use to make the assistant respond to Edwin?
Synthesized speech
Lossy compression discards some original content to create smaller files. (T/F)
True
Most video editing software shows the video as a timeline with separate tracks for video and sound. (T/F)
True
How is streaming a video different from downloading it?
Unlike streamed content, downloaded content is stored on the computer
A series of images displayed in sequence to create the illusion of movement is called ____
animation
mobile games were the first to popularize ______ which uses an image of an actual place of thing and adds digital information to it
augmented reality
A____ is an image that you can see, store, and manipulate on a digital device
digital graphic
When you stream digital media, you must transfer the entire video or audio file to your computer (T/F)
false
Nadia is shopping for a phone that can take photos and identify their geographical location. What feature should she look for when comparing phones?
geotagging
A ______ combines speakers and a microphone into one device
headset
The quality of an audio is determined by ______
its bit rate
Vivian is using a search engine to find photos for a school project. What search engine tool should she use to find photos she can legally copy and share?
license filter
With a search engine you can use a ______ search for pictures that you can use, share or modify for personal or commercial use
license filter
Peter used a digital camera to take photos while hiking in Yellowstone National Park, but many photos turned out blurry. What software can he use to improve the quality of the photos?
photo-editing software such as Photoshop
resolution of bitmap graphics is typically measured in _____
pixels
What type of software accepts text as input and produces speech as output?
read aloud software
Which of the following properties affects the quality of digital images?
resolution
__________ refers to the clarity or sharpness of an image
resolution
A process called ____ converts analog sound waves into digital sound
sampling
A process called _______ converts analog sound waves into digital sound
sampling
A _________ is a sophisticated computer animation useful for training and teaching in many fields
simulation
Avery wants to replace her cable television subscription with a video streaming service to watch her favorite TV shows. Besides Internet connectivity, what does she need to watch the shows on a TV?
smart TV or a TV stick
What technology can be used by people with a hearing disability to listen to a narration?
speech recognition
What does a file format refer to?
the organization and layout of data in the file
A scanner converts a printed document into a bitmap file by dividing the image into a grid of tiny cells and assigning colors to each cell. (T/F)
true
digital audio can be created by recording sound on a smartphone (T/F)
true
A surgeon has to perform a complex brain surgery on a patient. How could she practice her fine motor skills prior to the surgery?
using a motion-sensing game console
The hardware a digital device needs to play videos includes a screen, speakers, and a _____.
video card
Most ______ shows media on a timeline with separate tracks for video and sound
video editing software
A video that is shared millions of times over social media in a short period of time is termed to be ____________ .
viral
