1. ll in the blanks:
a) an object
b) grid of pixels
c) raster
d) 1048576 pixels
e) Working
g) logo and signs
2. Full form
a. JPEG = Joint Photographic Experts Group
b. TIFF = Tagged Image File Format
c. PNG = Portable Network Graphics
d. BMP = Bitmap Image File
e. 2D = Two-dimensional
f. 3D = Three-dimensional
g. Pixel = Picture Element
h. GIF = Graphics Interchange Format
i. DPI = Dots Per Inch
4. Write technical terms for the following :
a. Graphics that uses pixels to create image
Ans: Raster Graphics
b. File format which is popular with web designers because it can handle graphics with transparent or semi- transparent background
Ans: PNG (Portable Network Graphics)
c. Graphics loses its quality when it is scaled to larger size
Ans: Raster Graphics
d. Most popular among the formats used on the web browser on which is 'loosy' in nature
Ans: JPEG (Joint Photographic Expert Group)
e. Main element of graphics that indicates how densely the pixels are packed in an image.
Ans: Resolution
f. The bar provides different tools to make editing works easier.
Ans: Tool bar
5.Match the following.
Move tool- To move the part of image
Magic wand tool- To select part of image based on color
Lasso tool- To select part of image freely
Crop tool- To remove unnecessary part of image
Text tool- To write text on the image
High quality graphics- TIFF
Compressed file type- GIF
Works better with online applications- PNG
File created by digital camera- JPEG
File for Windows OS- BMP
6.Write shortcut keys for the following in Adobe Photoshop.
a. Color Setting
: Ctrl + Shift + K
b. Zoom In
: Ctrl + +
c. Zoom Out
: Ctrl + -
d. Rectangular Marquee Tool
: M
e. Move Tool
: V
f. Magic Wand Tool
: W
g. Crop Tool
: C
h. Lasso Tool
: L
7. Write very short answers for the following questions:
a. What is graphics?
Ans: Visual representations or designs created using computers or other digital devices.
b. Which element is used in raster graphics to draw images?
Ans: pixels
c. What is lossy graphics?
Ans: Compression method reducing file size by discarding data, sacrificing quality.
d. Which element is used in vector graphics to draw images?
Ans: Paths or shapes defined by mathematical equations.
e. What is canvas?
Ans: Digital space where images or graphics are created or manipulated.
8. Answer the following questions in short:
a. What is computer graphics? Name the software used for it.
Ans: Computer graphics involves creating visual content using computers. Adobe Photoshop is commonly used software for computer graphics.
b. Differentiate between raster and vector graphics.
Ans: Raster graphics use pixels for image representation, while vector graphics use mathematical equations and paths.
c. What do you mean by graphics file format? Write the name of common graphics file formats.
Ans: Graphics file format refers to the structure of a file containing graphical data. Common formats include JPEG, PNG, GIF, BMP, and TIFF.
d. What is marquee tool? Mention its types.
Ans: The marquee tool is used for making selections in a specific shape. Types include Rectangular Marquee Tool and Elliptical Marquee Tool.
e. What is toolbox? Name any five common tools used to edit an image.
Ans: The toolbox contains various tools for editing images. Common tools include the Brush Tool, Eraser Tool, Clone Stamp Tool, Selection Tool, and Text Tool.
f. What is image size? Name the different units to calculate image size.
Ans: Image size refers to the dimensions of an image. Different units to calculate image size include pixels, inches, centimeters, millimeters, and points.
