Computer Graphics - VIII

Computer Graphics

Very Short Answer Questions

  • Two popular computer graphics application software:

    • Adobe Photoshop

    • CorelDRAW

  • Define Type Tool:

    • The Type Tool in graphic design software like Photoshop is used to add text to an image or design. Users can customize the font, size, color, and other text properties.

  • Define Lasso Tool:

    • The Lasso Tool is used for making freehand selections in an image. It allows users to draw around the area to create a selection outline that can be manipulated.

  • Define Drawing Canvas:

    • A Drawing Canvas is the area in graphic design software where you create and edit your artwork. It acts as the workspace for your design projects.

  • Define Magic Wand:

    • The Magic Wand Tool is used to select areas of an image based on color similarity. It enables quick selection and manipulation of parts of an image with similar colors.

Short Answer Questions

  • Write the application of computer graphics:

    • Computer graphics are used in various fields such as entertainment (movies, video games), education (simulations, visualizations), medical imaging, design and engineering (CAD), and advertising.

  • What is the purpose of the Rectangular Marquee Tool?:

    • The Rectangular Marquee Tool is used to make rectangular selections in an image, allowing users to select and manipulate rectangular areas for editing, copying, or applying effects.

  • Write the feature of the Tool Box of Photoshop:

    • The Toolbox in Photoshop contains various tools for selecting, painting, drawing, and editing images. Key tools include:

      • Move Tool

      • Lasso Tool

      • Brush Tool

      • Eraser Tool

      • Others

  • Define palettes with its types:

    • Palettes in graphic design software are panels providing access to various features and settings. Types include:

      • Layers Palette: Manages layers in an image.

      • Color Palette: Allows customization of colors.

      • History Palette: Tracks and manages changes made to an image.

      • Brushes Palette: Offers options for customizing brush settings.

  • Write the steps of resizing the image in Photoshop:

    1. Open the image in Photoshop.

    2. Go to the "Image" menu and select "Image Size."

    3. In the Image Size dialog box, enter the new dimensions for the image.

    4. Ensure the "Constrain Proportions" option is checked to maintain aspect ratio.

    5. Click "OK" to apply the changes.

Long Answer Questions

  • What is computer graphics? Name any two graphics designing software:

    • Computer Graphics: Involves the creation, manipulation, and representation of visual images using computers, encompassing everything from simple drawings to complex 3D models and animations.

    • Two Graphics Designing Software: Adobe Photoshop, CorelDRAW.

  • Differentiate between bitmap and vector graphics:

    • Bitmap Graphics: Known as raster graphics, made up of pixels. Each pixel has a specific color value. The resolution is determined by the number of pixels, and quality may diminish when scaled up. Examples include JPEG and PNG files.

    • Vector Graphics: Created using mathematical formulas to define shapes, lines, and curves. Resolution-independent, can be scaled without losing quality. Examples include SVG and AI files.

  • What is Adobe Photoshop? Who developed it?:

    • Adobe Photoshop: A powerful image editing and graphic design software used by professionals and hobbyists, offering a wide range of tools for photo editing, digital painting, and graphic design.

    • Developed by: Thomas and John Knoll; first released by Adobe Inc. in 1988.

  • What are the features of Adobe Photoshop?:

    • Features include:

      • Layers: Allows working on different parts of an image separately.

      • Selection Tools: Lasso Tool, Magic Wand, and Marquee Tool.

      • Filters and Effects: Variety of options to enhance and manipulate images.

      • Brush Tools: Customizable brushes for painting and drawing.

      • Text Tools: Add and edit text within images.

      • Adjustment Layers: Enables non-destructive editing of image properties (brightness, contrast, color balance).

  • What is cropping of image? How do you crop an image in Adobe Photoshop?:

    • Cropping of Image: Process of removing unwanted outer areas from an image to improve its framing, composition, or focus.

    • Steps to Crop an Image in Adobe Photoshop:

      1. Open the image in Photoshop.

      2. Select the Crop Tool from the Toolbox.

      3. Drag the corners or edges of the crop box to adjust the area to keep.

      4. Press Enter or click the checkmark in the options bar to apply the crop.