Class VII T1 U7 Visual Communication Textbook Solutions

UNIT – 7 VISUAL COMMUNICATION

EVALUATION

I. Choose the appropriate answer: 

1. Which is the example for animation?

a) Sound communication

b) Visual communication

c) Vector communication

d) Raster communication

Ans: b) Visual communication

2. Who uses the photoshop software more ?

a) Teacher

b) Doctor

c) Painter

d) Photographer

Ans: d) Photographer

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

Ans: b) Import Pictures

4. Which technology shows the computer drawn pictures as real picture?

a) Inkscape

b) Photo Story

c) Virtual Reality

d) Adobe Illustrator

Ans: c) Virtual Reality

5. Which technology uses pixels to create pictures?

a) Vector 

b) Raster 

c) Both 

d) None

Ans: b) Raster 

6. Which software is used to create symbols?

a) Photoshop

b) Illustrator

c) Vector Graphics

d) Photostory

Ans: c) Vector Graphics

II. Match the following.

Animations	Visual communication
Raster	Pixels
Vetor	Illustrator
Virtual Reality	3D
Video Story	Microsoft photostory

III. Answer briefly.

1. What is Raster Graphics?

• 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.

• The two dimensional (2D) images have only two dimensions - length and height. 

• 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.

Raster Graphics	Vector Graphics
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.	Vector Pictures are created on the basis of Mathematics, even when we enlarge the picture its accuracy will not change.
The Software which edit the Raster Graphics is Adobe Photoshop.	The softwares which edit the Vector Graphic Images are: • Adobe Illustrator • Sketch • Inkscape
• .png (Portable Network Graphics)  • .jpg or .jpeg (Joint Photographics Experts Group)  • .gif (Graphics interchange Format)  • .tiff (Tagged Image File Format) • .psd (Photoshop Document)	• .eps (Encapsulated Post Script) • .ai (Adobe Illustrator Artwork)  • .pdf (Portable Document Format)  • .svg (Scalable Vector Graphics) • .sketch

4. With the help of Microsoft Photostory how will you create a video?

Microsoft photostory can be used to make videos using photos. 

To make videos with the help of this software we have to order the photos first, then we have to select the music and keep it in a file.

Step 1: Open the application of Microsoft photostory in that select begin a new story and click on next.

Step 2: Click ‘Import Picture’ in the next screen. Now, the files in our computer will appear. Select 'Saved pictures' for video. There is a provision for editing the picture. If required, we can edit the image and click on ‘Next”.

Step 3: Now we can input small text which is apt to the pictures. Then click on ‘Next’ and give animation to the videos. We can give audio effect also to these images. After finishing this click on ‘Next”

Step 4: To provide background music, we can select a music file through 'Select Music' and click on 'Next'.

Step 5: Next select a title for the story and select the place where it has to be saved in your computer. Then, through SETTINGS, change the format of the video

Step 6: Now our video is ready to view. Click ‘VIEW YOUR STORY’. You can see your video now. 

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