Free Bachelor of Science in Computer Science: Computer Graphics Fundamentals Questions — Questions and Answers
Question 1: What process involves merging multiple images to create a single new image?
- Modeling
- Morphing (Correct answer)
- Animation
- Warping
Correct answer: Morphing
Morphing is a computer graphics technique that seamlessly transforms one image or shape into another. It involves creating a smooth transition by gradually distorting the source image and blending it with the target image, often used to create special effects where one object appears to 'morph' into another.
Question 2: What among the options is a method of delivering presentations using a computer?
- Slides
- Tutorial
- Multimedia (Correct answer)
- Data processing
Correct answer: Multimedia
Multimedia refers to the use of various content forms such as text, audio, images, animation, and video. When delivering presentations using a computer, these different media types are combined to create engaging and informative content, making 'multimedia' the encompassing method for computer-based presentations.
Question 3: What is the tiniest, fundamental element that constitutes the foundation of almost all computer graphics?
- Voxels
- Pixies
- Pixels (Correct answer)
- Blobs
Correct answer: Pixels
Pixels (picture elements) are the smallest individual units of a digital image or display. Every image displayed on a computer screen, television, or digital camera is composed of a grid of these tiny, colored squares, making them the fundamental building blocks of almost all computer graphics.
Question 4: How do you choose an icon?
- Left click (Correct answer)
- Right click
- Double click
- Scrolled
Correct answer: Left click
In most graphical user interfaces, a single left-click is the standard action for selecting or choosing an icon or item. This action highlights the item, indicating that it has been chosen for a subsequent operation, such as opening or moving.
Question 5: What is the primary purpose of using presentation graphics?
- create animation
- create computer-aided designs
- produce high-quality graphs, charts, and diagrams in order to present facts, trends and comparisons (Correct answer)
- all of these
Correct answer: produce high-quality graphs, charts, and diagrams in order to present facts, trends and comparisons
Presentation graphics are specifically designed to visually communicate information effectively. Their primary purpose is to create clear and compelling visual aids like graphs, charts, and diagrams, which help in presenting data, illustrating trends, and making comparisons easier to understand for an audience.
Question 6: Computer animation involves the skill of ___________________.
- drawing pictures
- formatting images
- saving images
- creating moving images via the use of computers (Correct answer)
Correct answer: creating moving images via the use of computers
Computer animation is the art of creating moving images using digital technology. It involves generating a sequence of images that, when played in rapid succession, give the illusion of movement, rather than just static drawing or formatting.
Question 7: What type of display devices enable us to move around an object and observe it from various angles?
- Direct view storage tubes
- Three-dimensional devices (Correct answer)
- Flat panel display devices
- Plasma panel display devices
Correct answer: Three-dimensional devices
Three-dimensional (3D) display devices are designed to present images with depth perception, allowing users to perceive objects in three dimensions. This capability enables users to virtually 'move around' an object and view it from various angles, providing a more immersive and comprehensive understanding of its form.
Question 8: An image provides greater intricacy through a photograph or a drawing.
- TRUE (Correct answer)
- FALSE
- Maybe
- None of the above
Correct answer: TRUE
An image, whether a photograph or a drawing, inherently provides greater intricacy and detail compared to plain text or simple representations. Visual elements can convey complex information, textures, and nuances that would be difficult or impossible to describe solely with words, thus enhancing understanding and engagement.
Question 9: What is the term used to describe the creation of drawings using computer-generated methods?
- CAD (Correct answer)
- CAM
- CIM
- GPS
Correct answer: CAD
CAD stands for Computer-Aided Design, which is the use of computer systems to assist in the creation, modification, analysis, or optimization of a design. It is widely used in engineering, architecture, and manufacturing to produce precise technical drawings and models.
Question 10: Computer graphics software enables the user to generate
- Pie graphs
- Bar graphs
- Line graphs
- All of these (Correct answer)
Correct answer: All of these
Computer graphics software is versatile and designed to generate a wide array of visual representations. This includes various types of graphs such as pie graphs, bar graphs, and line graphs, as well as other diagrams and illustrations, making 'All of these' the correct encompassing answer.
Question 11: When adding color to a black and white image, you can adjust ________________ to apply color overlays onto the image.
- Lasso
- Layer Mode (Correct answer)
- Transform
- Foreground Color
Correct answer: Layer Mode
In image editing software, Layer Modes (also known as Blending Modes) determine how the pixels of one layer interact and blend with the pixels of the layers beneath it. To apply color overlays onto a black and white image, you would typically use a specific layer mode (e.g., Color, Overlay, Multiply) on a new color layer to achieve the desired effect.
Question 12: In Illustrator, a curved line formed and defined by three points is referred to as a _____________.
- Sloping angle.
- Bezier curve. (Correct answer)
- Rotated triangle.
- None of the above
Correct answer: Bezier curve.
A Bezier curve is a parametric curve widely used in computer graphics to model smooth curves that can be scaled indefinitely without loss of resolution. In Illustrator, these curves are defined by anchor points and direction handles (or control points), allowing for precise control over their shape and curvature.
Question 13: To choose a shape and relocate it within Illustrator, a user needs to employ the _______________.
- Direct selection tool
- Move tool
- Selection tool (Correct answer)
- Anchor point
Correct answer: Selection tool
In Adobe Illustrator, the Selection tool (often represented by a black arrow) is the primary tool used to select entire objects or groups of objects. Once an object is selected, it can then be moved, scaled, rotated, or otherwise transformed, making it essential for relocating shapes.
Question 14: Every graphical element intended for printing should be saved using this color mode.
- RGB
- Yellow
- CMYK (Correct answer)
- Magnetic Lasso
Correct answer: CMYK
CMYK (Cyan, Magenta, Yellow, Key/Black) is a subtractive color model used in color printing. It is the standard color mode for any graphical element intended for physical printing, as it accurately represents how inks combine on paper, ensuring consistent color reproduction. RGB is used for digital displays.
Question 15: What action should a user take in Illustrator's shape tools to generate a shape with precise dimensions?
- Hold the shift key down.
- Click and drag the mouse.
- Click and release the mouse. (Correct answer)
- None of the above.
Correct answer: Click and release the mouse.
In Adobe Illustrator, when using shape tools, clicking and releasing the mouse (without dragging) typically opens a dialog box. This dialog box allows the user to input precise numerical dimensions (width, height, radius, etc.) for the shape, ensuring exact sizing rather than relying on visual dragging.
Question 16: When attempting to separate two intersecting shapes in Adobe Illustrator, which palette can a user utilize?
- Move
- Rotate
- Run
- Pathfinder (Correct answer)
Correct answer: Pathfinder
The Pathfinder palette in Adobe Illustrator contains a set of tools specifically designed for combining, subtracting, intersecting, and dividing multiple shapes. To separate two intersecting shapes, a user would employ Pathfinder operations like 'Divide' or 'Minus Front' to achieve the desired separation or modification.
What process involves merging multiple images to create a single new image?