CLASS 7 CHAPTER 3 Q/A

 CHAPTER 3 - AUDIO VISUAL COMMUNICATION Q/A



Q1. What is digital Camera?
Ans 1- Digital Camera is used to capture images. By using digital camera we can click any type of images and  record videos.

Q2 What are advantages of using digital camera?
Ans.- Advantages of Digital camera are-
a). It provides photograph quickly.
    b) w can edit images and videos using digital camera.
c) we can share photos  and videos  of digital camera via mobile phone , email and website.

Q3- What is Webcam?
Ans 3 – Webcam is web camera in computer, it captures images in real time. It can be used for real time chatting and video calling .

Q4- Write Short note on Web Camera?
Ans 4 – Web Camera is an input device. It can be used to capture image and video at any time. Now a days all laptops have inbuilt webcam and it can also attached to computers via cable through USB port.
Webcam is used to connect with other person using internet like video chatting etc.. It can also be used to record videos in real time .

Q 5 – What is USB port?
Ans 5 – In computer the port where we attach Pen Drive is known as USB port.

Q6 – What is Openshot  Editor?
Ans 6 – Openshot Video editor is opensource free software. It is used to join or edit photos / images and edit videos  or add audio file to make digital story. We can also create video slideshow using openshot video editor.

Q7 .- What are various components of Openshot Editor window?
Ans 7 – Various Components of Openshot Editor Window-
a) Toolbar
b) Project File Window
c) Filter Tab
d) Preview Window
e) Edit Toolbar
f) Zoom Slider
g) Timeline
h) Tracks
i) Filter
j) Play Button

Q 8- Write steps  to create a slideshow of  images using openshot editor?
Ans8 – steps to create slideshow in openshot  editor-
Step 1 – Open openshot video editor by clicking on icon of openshot editor on desktop.
Step 2 – Click on “+” symbol from toolbar  and drag and drop some images to projecy file window.
Step 3 – Arrange photos on timeline using drag and drop feature.
Step 4-  Add sound files to make slide show interesting. Import song or audio file and drag and drop it on track 1 of timeline.
Step 5 – To view preview of the project , go to preview window and click on play button.
Step 6 –  If preview is ok save your project.

Q9 – Write steps  to add background music to any video or images using openshot video editor.
Ans 9-  Steps to add background music are-
 Step 1-  Open openshot video editor by clicking on icon of openshot editor on desktop.
Step 2 - Select images/photos and photos to project file tab.
Step 3 – Now select these photos  and add photos on timeline by right clicking on photos.
Step 4 – Now add selected audio file or song to different track of timeline using drag and drop method.
Step 5– Now save your video and project.

Q 10 – Label the diagram of openshot editor window.


Ans 10 –  Labels are –
      1 -Toolbar
2 – Filter Tab
3 – Project file window
4— Preview Window
5 – Edit Toolbar
6- Zoom Slider
7 - Tracks

CLASS 7 CHAPTER 3 EXCERCISE ( MCQ, FILL IN THE BLANKS, T/F)

CLASS 7 CHAPTER 3 AUDIO VISUAL COMMUNICATION EXCERCISE ( MCQ, FILL IN THE BLANKS, T/F)


CLASS 8 CHAPTER 3 Q/A

CLASS 8 CHAPTER 3- SOFTWARE APPLICATIONS

Q 1 What is Open Source Software?
Ans 1- Open source software is generally available free of cost on internet. We get edit source code of open source software.

Q2. What is Geogebra ?
Ans 2- Geogebra is an open source and dynamic software.
It is used to make geometrical shapes in computer. It is available free of cost on internet.

Q3- Draw diagram of Geogebra Window.
Ans 3.-


Q4- Write the tools used to make a triangle and measure sum of its interior angle in Geogebra?
Ans 4-    Tools of Geogebra used are-
a) Point tool
b) Line segment tool
c) Polygon tool
d) Angle tool
e) Input box

Q5 How to save Geogebra file?
Ans 5 – To save file in Geogebra , click on File and go to save option. Geogebra file will be saved with .gbb extension.

Q 6-  Write name of tools of geogebra used to construct equilateral triangle using geometrical properties?
Ans 6-  tools used are-
a) Line segment tool
b) Intersect tool
c) Circle with a center
d) Point tool.

Q7 -. What are tools of Geogebra used to construct a square using geometrical properties?
Ans 7-   Tools used are-
a) Line Segment tool
b) Perpendicular tool
c) Intersect tool
d) Circle with a center
e) Point tool

Q8 - What are tools of Geogebra used to construct a Parallelogram  using geometrical properties?
Ans 8 -  Tools used are-
a) Point tool
b) Line tool
c) Parallel line tool
d) Line segment tool
e) Intersect tool

Q 9 – What is Tessellation?
Ans 9- A tessellation of a flat surface is the tilling of a plane using one or more geometric shapes called tiles , with no overlaps or no gaps.

 Q 10 Name the tools-
                       
Ans 10-  a) select Tool
                b) Point tool
c) Line tool
d) Line Segment Tool
e) Angle tool

Q 11- What is google Earth?
Ans 11- Google Earth is a computer program that gives a 3D representation of Earth based primarily on satellite imagery. It is used to find  and view any location in computer.

Q 12- Who discovered Google Earth?
Ans 12- Google Earth is discovered by Keyhole Inc. Google purchased Google earth in 2004.

Q 13. What are various options available in Google Earth?
Ans 13 – Various Option are –
a) Look around
b) Move around
c) Slider
d) Search Box
e) Get Direction
f) History
g) Layers
h) Rulers

CLASS 6 CHAPTER 3 Q/A

CHAPTER 3 Q/A
Q1. What is Internet?
Ans 1. Internet is biggest world wide network of computers. It is a network in which users at any one computer can get information from any other computer.

Q2. What are uses of Internet?
Ans2- Uses of Internet are-
i. Communication – Text/Audio / Video
ii. Journey Ticket Reservation – Train /Air
iii. Searching Information
iv. Entertainment – songs , movies etc.
v. Banking

Q3. Write Full form of WWW?
Ans 3. Full form of WWW is World Wide Web.

Q4. What is WWW?
Ans 4- WWW is a web of all computers connected to each other through internet all over the world.

Q5- What is Web Browser?
Ans 5 – Web Browser is a software application for accessing information on the world wide web.

Q6 – Write examples of Web Browser?
Ans6 – Examples of Web Browsers are –
i. Google Chrome
ii. Internet Explorer
iii. Mozilla Firefox

Q7. What are components of Web Browser?
Ans 7 – Components of Web Browser-
i. Address Bar
ii. Search Box
iii. Search button

Q 8. Draw diagram of Web Browser.
Ans 8 -


Q9. What is Webpage?
Ans 9 –  Internet पर मौजूद files and pages को webpage कहते है जिनमे text , image , links , sound etc संग्रह किेंये जा कहते है ।

Q10 – What is Website?
Ans.10 -

Q.11 What is Homepage?
Ans 11-

Q.12 What are parts of Webpage?
Ans 12-

Q.13 What is Full form of URL?
Ans 13 – Full form of URL is Uniform Resource Locator.

Q.14 – What is URL?
Ans 14— Internet पर मौजूद हर  file / document /website का  address hota h जिसे URL कहते है ।

Q.15 What is Safe Search ?
Ans . 15- SafeSearch कोई अलग से Search Engine नहीं है बल्कि Google Search का ही एक हिस्सा है. इसकी मदद से आप violent and adult content को फ़िल्टर कर सकते है जैसे हिंसक और अश्‍लील (pornography) सामग्री. 18 साल से कम उम्र वाले बच्चों पर violent and adult content बुरा असर डाल सकता है.

Q.16 What is copyright?
Ans .16 –जब कोई व्यक्ति ऐसा ओरिजनल काम करता है जो ऑडियो, वीडियो या किसी दूसरे रूप में मौजूद हो, तो उस व्यक्ति को अपने आप ही उस काम का कॉपीराइट मिल जाता है. कॉपीराइट के मालिक के रूप में, उनके पास उस चीज़ को इस्तेमाल करने का खास अधिकार होता है. 

Q.17 What is Search Engine?
Ans 17-  Search engine एक प्रकार का प्रोग्राम है जो की World Wide Web  पर मौजूद जानकारियों को keywords के जरिये ढूँढने में हमारी मदद करता है।



CLASS 6 CHAPTER 3 EXERCISE (MCQ,T/F , FILL IN THE BLANKS AND MATCH THE FOLLOWING)


CLASS 6 CHAPTER 3 EXERCISE (MCQ, T/F, FILL IN THE BLANKS , MATCH THE FOLLOWING)




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