Samacheer Kalvi 7th Science Term 1 Solutions Chapter 7 Pdf
Tamilnadu Board Samacheer Kalvi 7th Science Term 1 Solutions Chapter 7: Tamilnadu State Board Solution Class 7 Science Term 1 Chapter 7 – Visual Communication.
Samacheer Kalvi 7th Science Term 1 Solutions Chapter 7: Overview
|
Board |
Samacheer Kalvi |
| Class |
7 |
|
Subject |
Science |
| Chapter |
7 |
|
Chapter Name |
Visual Communication |
Samacheer Kalvi 7th Science Term 1 Solutions Chapter 7 Pdf
Visual Communication
Chapter 7
I.) Choose the correct answer.
1.) Which is the example for animation?
a) Sound communication
b) Visual communication
c) Vector communication
d) Raster communication
Answer: b) Visual communication
Solution: Visual communication is the example for animation.
2.) Who uses the photoshop software more ?
a) Teacher
b) Doctor
c) Painter
d) Photographer
Answer: d) Photographer
Solution: Photographer uses the photoshop software more.
3.) 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
Answer: b) Import Pictures
Solution: Import Pictures is used in the Microsoft Photostory to upload the photos.
4.) Which technology shows the computer- drawn pictures as real picture?
a) Inkscape
b) Photo Story
c) Virtual Reality
d) Adobe Illustrator
Answer: c) Virtual Reality
Solution: Virtual Reality technology shows the computer- drawn pictures as real picture.
5.) Which technology uses pixels to create pictures?
a) Vector
b) Raster
c) Both
d) None
Answer: b) Raster
Solution: Raster technology uses pixels to create pictures.
6.) Which software is used to create symbols?
a) Photoshop
b) Illustrator
c) Vector Graphics
d) Photostory
Answer: c) Vector Graphics
Solution: Vector Graphics software is used to create symbols.
II.) Match the following
| Animations | Visual Communication |
| Raster | Pixles |
| Vector | Microsoft Photostory |
| Virtual Reality | 3D |
| Video Story | Illustrator |
III.) Answer briefly.
1.) What is Raster Graphics?
Answer: Raster Graphics are created on the basis of PIXELS. The photos taken by camera and the photos scanned by a scanner are of the Raster type. When we enlarge this type of photos we could see the pictures as rectangular layers or grids.
2.) Write a note on 2D and 3D pictures.
Answer: The two dimensional (2D) images have only the two dimensions – length and height. But three dimensional images (3D) have length, height and width. 3D images appear in front of our eyes like it happens in the real world.
3.) Differentiate between Raster and Vector images.
Answer:
| RASTER |
VECTOR IMAGE |
| 1 Raster Graphics are created on the basis of PIXELS. | 1 Vector Pictures are created on the basis of Mathematics. |
| 2 Types of Raster Files are .png, .jpg , .gif, .tiff. | 2 Types of Vector Graphics Filesare .eps , .ai, .pdf, .svg, .sketch |
| 3 The Software which edit the Raster Graphics is Adobe Photoshop. | 3 The softwares which edit the Vector Graphic Images are Adobe Illustrator, Sketch, Inkscape. |
4.) With the help of Microsoft Photostory how will you create a video?
Answer: To make videos with the help of this software we have to order the photos first, then we have to select a music and keep it in a file. Step-I : open the application of Microsoft Photostory
Step-II : Click “Import Picture” In the next screen. Now the files in our computer will appear. Select saved Pictures For Video
Step-III : To Provide background Music. We can select
Step-IV : Next Select a title for the story saved in your computer.
Step-V : Now our video is ready to view.
