Tamil Nadu Board Class 7 Science Chapter 7 Computer Visual Communication
If you are looking for Tamil Nadu Board Class 7 Science Chapter 7 Computer Visual Communicationthen you are at the right place. Here we are providing solutions as well as additional QA / Important Notes.
[I] Choose the correct answer.
Which of the following is an example for animation?
- a) Sound communication
- b) Visual communication
- c) Vector communication
- d) Raster communication
Who uses the photoshop software more?
- a) Teacher
- b) Doctor
- c) Painter
- d) Photographer
Which option is used in the Microsoft Photostory to upload the photos?
- a) Begin a Story
- b) Import Pictures
- c) Settings
- d) View your Story
Which technology shows the computer-drawn pictures as real picture?
- a) Inkscape
- b) Photo Story
- c) Virtual Reality
- d) Adobe Illustrator
Which technology uses pixels to create pictures?
- a) Vector
- b) Raster
- c) Both
- d) None
Which software is used to create symbols?
- a) Photoshop
- b) Illustrator
- c) Vector Graphics
- d) Photostory
[II] Match the following.
- Animations – 3D
- Raster – Visual Communication
- Vector – Pixles
- Virtual Reality – Microsoft Photostory
- Video Story – Illustrator
Solutions:-
- Animations – 3D
- Raster – Visual Communication
- Vector – Pixels
- Virtual Reality – Microsoft Photostory
- Video Story – Illustrator
[III] Answer briefly.
What is Raster Graphics?
Raster graphics are images created using a grid of pixels. Each pixel contains color information, and when combined, they form the complete image. Examples include photographs and scanned images.
Write a note on 2D and 3D pictures.
2D pictures are flat images with only length and height dimensions, like traditional drawings or photographs.
3D pictures have length, height, and width, creating a more lifelike appearance. They simulate depth and perspective, similar to how objects appear in the real world. Examples include 3D movies and video games.
Differentiate between Raster and Vector images.
Raster Images: Made up of a grid of pixels, suitable for photographs and scanned images, prone to losing quality when resized.
Vector Images: Created using mathematical formulas, scalable without losing quality, ideal for logos and illustrations.
With the help of Microsoft Photostory how will you create a video?
Creating a Video with Microsoft Photostory:
Open Microsoft Photostory and select “Begin a new story”.
- Import pictures from your computer.
- Add text and animations to your pictures.
- Select background music.
- Save and view your video.
