What is a Cathode Ray Tube (CRT)?

Understanding Graphics Primitives and Devices

Quiz
•
Computers
•
12th Grade
•
Easy
Dr.Chandra Sekhar
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Cathode Ray Tube (CRT) is a device that uses liquid crystals to display images.
A Cathode Ray Tube (CRT) is a vacuum tube that displays images by directing electron beams onto a phosphorescent screen.
A Cathode Ray Tube (CRT) is a solid-state device that emits light when powered.
A Cathode Ray Tube (CRT) is a type of LED display.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe the main function of a raster scan display.
To store images in a compressed format.
The main function of a raster scan display is to sequentially illuminate pixels to create images on the screen.
To display images using vector graphics.
To enhance audio quality during playback.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the advantages of plasma displays over LCDs?
Higher energy consumption than LCDs
Advantages of plasma displays over LCDs include better color accuracy, deeper blacks, wider viewing angles, faster response times, and larger screen sizes.
Limited screen size options
Worse color accuracy than LCDs
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
List two types of input devices used in graphics applications.
Graphic tablet, Mouse
Scanner
Printer
Keyboard
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a trackball differ from a traditional mouse?
A trackball has no moving parts, while a traditional mouse has a scroll wheel.
A trackball requires a flat surface to operate, unlike a traditional mouse.
A trackball is stationary and uses a ball for cursor control, while a traditional mouse is handheld and moves across a surface.
A trackball is used for gaming while a traditional mouse is not.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of positioning techniques in graphics.
Positioning techniques are only used for text alignment.
Positioning techniques in graphics are methods for arranging visual elements, including absolute, relative, fixed, and sticky positioning.
Positioning techniques refer to color selection in graphics.
Positioning techniques are methods for creating 3D effects.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are rubber-band techniques used for in graphical interfaces?
For resizing images without distortion.
Rubber-band techniques are used for visual feedback during dragging or selection in graphical interfaces.
To apply filters to images in real-time.
To create permanent selections in graphical interfaces.
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