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CBSE Board NCERT Solutions for Class 9th Computer Chapter 3 : Introduction to GIMP Computer Science
CBSE NCERT Solutions for Class nine Computer Chapter 3 Introduction to GIMP Computer Science
A. Multiple Choice questions:
1. GIMP is image an _________ editing tool.
(a) Open source
(b) Proprietary
(c) Shareware
(d) Both (a) & (b)
► (a) Open source
2. The ________ tool allows you to select a drawing with the free-hand.
(a) Fuzzy Selection
(b) Lasso
(c) Text
(d) Bucket Fill
► (b) Lasso
3. The Fuzzy Select (Magic Wand) tool helps you to select areas of the _______.
(a) Canvas
(b) All the layers
(c) Current Layer
(d) Image with different colours
► (c) Current Layer
4. Shift+ C is the shortcut to _______ the image.
(a) Duplicate
(b) Delete
(c) Copy
(d) Crop
► (d) Crop
5. To prepare the images for the web means
(a) Reducing the size of an image
(b) Zipping the image
(c) Crop the image
(d) All of the above
► (a) Reducing the size of an image
6. GIMP’s basic palette, consisting of ________ colours.
(a) Three
(b) Two
(c) One
(d) Many
► (b) Two
7. _________ are transparent sheets stacked one on top of the other.
(a) Layers
(b) Canvas
(c) Windows
(d) None of the these
► (a) Layers
8. Scale option is used to change the _________ of an image.
(a) Colour
(b) Size
(c) Area
(d) All of the above
► (b) Size
9. It is the most important part of the image window where the image is displayed.
(a) Canvas
(b) Window
(c) Scale
(d) Size
► (a) Canvas
10. The ______ tool places text into an image.
(a) Fuzzy Selection
(b) Text
(c) Eraser
(d) Bucket Fill
► (b) Text
B. State True(T) /False(F)
(a) Paint.net is most favourite of windows users. (T/F)
► True
(b) The Corel Paint Shop Photo Pro allows you to adjust and clean-up your photos. (T/F)
► True
(c) GIMP is open source image editing tool. (T/F)
►True
(d) Faststone image viewer has only 120 image transitional effects.
►False
C. Fill in the Blanks
(a) The Corel Paint Shop Photo Pro allows you to use the ______________ with advanced enhancement tools.
► photo organizer
(b) The PhotoStudio 6 provides the feature for adding ____________ and stamping facility on high-bit depth images.
► animated text
(c) _______________ is the most powerful image editing tool.
► Inkscape
(d) _______________ is the tool not for detailed editing.
► Text
(e) GIMP is presented in ________ forms.
► two
(f) Layers are wonderful for creating ______________.
► collages
(g) Cropping removes ____________ or everything outside _________________.
► unwanted parts, selected area
(h) GIMP 2.8 defaults to ________________ window mode.
► multi
D. Answer the following questions.
1. What is image editing?
Answer :
Image editing encompasses the processes of altering images, whether they are digital photographs, traditional analog photographs, or illustrations.
2. List few image editing tools available.
Answer :
1. Adobe Photoshop
2. GIMP
3. Serif PhotoPlus X4
4. Photo Impression 6.5
5. PhotoStudio 6
6. Picasa
7. MS Paint
8. Photo! Editor
9. Windows Photo Editor
10. Corel PaintShop Photo Pro X3
3. Explain GNU Image Manipulation Program?
Answer :
GNU Image Manipulation Program is free and powerful open source image editing tool that provides retouching of photos, authoring of photos and composition of photos. It is free and consists of many similar features provided by the Photoshop. It’s available for free for download distribution software that allows you to create image composition and image authoring.
4. What is Photo retouching?
Answer :
Traditional analog image editing is known as photo retouching, using tools such as an airbrush to modify photographs, or editing illustrations with any traditional art medium.
6. Write down the expansions of the following:
Answer :
(a) .gif: Graphics Interchange Format
(b) .png: Portable Network Graphics
(c) .tff: Tagged Image File format
(d) .jpeg: Joint Photographic Experts Group
(e) .jpg: Joint Photographic Group
(f) .psd: Photoshop Document
(g) .bmp: Bitmap
7. Explain functionality of the following :-
Answer :
(a) Rectangular Tool: The Rectangle Selection tool is designed to select rectangular regions of the active layer.
(b) Oval Select Tool: The Oval Selection tool is used to select circular and elliptical regions from an image, with high-quality anti-aliasing if we want it.
(c) Lasso Tool: The Free Selection tool, or Lasso, lets you select a drawing it free-hand with the pointer, while holding down the left mouse button. When you release the mouse button, the selection is closed by connecting the current pointer location to the start location with a straight line.
(d) Text Tool: The Text tool places text into an image.
8. Discuss how to change the size of an Image.
Answer :
We can change the size of an image by following ways:
1. Set the Resolution of image
2. Set the Interpolation Quality
3. Click on “Scale” to confirm.
9. How we can prepare images for web?
Answer :
We can prepare images for web by following steps:
Step 1: First need to reduce the image to a better width and height for web according to the scale.
Step 2: In File → select Export…
In the JPEG Save Dialog, we can opt for GIMP defaults which reduce the size quite a bit, without hurting the visual quality of the image. If we would like to make it smaller still, change the compression level by moving the “Quality” slider down. We can see the quality of the image changing.
10. What do you understand by Layers?
Answer :
Layers are wonderful tools, especially to create collages or to delete various portions of an image. In GIMP, the layers are virtually stacked up on top of each other; the lower layers will show through resulting in a composite image that can be exported as a flat file such as a JPEG or PNG.
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