Keyboard Computer Science for Class 7 (Complete Solutions)
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Unit # 07 – Communication on the Internet

Q1:                        Fill in the blanks with the correct words.
                 
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TEXT
BLOG
WEB
TWITTER
SOCIAL

Q2:            Write T for the true statement and F for the false ones.
     
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     T
F
F
F
T

Q3:                        Name the following.

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SIX DEGREES
FACEBOOK
MMORPG
PICASA
CLOUD COMPUTING

Q4:      Answer the following.

A.     What is a chat room?
Ans:     Chat room:
A chat room is a service where multiple users talk to each other in real time by posting messages.

B.      How does online chat differ from instant messaging?
Ans:    
Online Chat
Instant Messaging
Online chat can be conducted between unknown users.
Instant messaging is like a private chat room and has known users

C.      Name any two online chat services?
Ans:     Two online chat services are:
1.      Yahoo! Messenger.
2.      Google Talk.

D.     How are newsgroups different from email?
Ans:    
Newsgroups
Email
In a newsgroup, messages are posted on a bulletin board where any member can read and respond to them.
Email stands for Electronic mail. It is a system for sending messages electronically from one computer to another.
  
E.      List any three newsgroup categories?
Ans:     Three official newsgroup categories are:
1.      Alt (alternate).
2.      Biz (business, commerce).
3.      Soc (social).

F.       Why are feed reader useful?
Ans:     Feed readers are useful because:
1.      They allow us to keep up-to-date with new content from websites.
2.      We can easily subscribe or unsubscribe to the website.

G.     What is online file sharing? List two websites that allow online sharing?
Ans:     An online file-sharing service provides a way to store and access information in the “cloud” rather than locally on a hard drive.
The two websites that allow online file sharing are Picasa and YouTube.

H.     What are the benefits of using Picasa Web Album?
Ans:     The benefits of using Picasa Web Albums are:
1.      It allows easy photo sharing and storing.
2.      It also provides online backup.

I.        What is cloud computing?
Ans:     Cloud computing:
Cloud computing is a technology that uses the Internet and central remote servers to store data and applications.

Q5:      Circle the correct option.
           
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 Unit # 08 – More Tools in Flash

Q1:                        Fill in the blanks with the correct words.
                 
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GRADIENT TRANSFORM
SIDE
FREE TRANSFORM
SYMBOL
TIMELINE EFFECTS

Q2:            Write T for the true statement and F for the false ones.
     
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     T
F
T
F
T

Q3:                        Name the following.

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Paint Bucket Tool
Free Transform Tool
Linear and Radical
Library
Property Inspector

Q4:      Answer the following.

A.     What is the Eyedropper tool used for?
Ans:     Eyedropper tool:
The Eyedropper tool is used acquire colours and styles from existing lines, brush strokes, and fills, and applying these to other objects.

B.      List three things you can do with the Free Transform tool in flash?
Ans:     The Free Transform tool is used to move, rotate, or scale an object.

C.      What are symbols and instance in flash?
Ans:    
Symbols
Instance
A symbol is a graphic image, animation, or button that is stored with a Flash movie
An instance is an occurrence of a symbol in a Flash movie.

D.     Write down the steps to change the transparency of an instance in Flash?
Ans:     The steps to change the transparency of an instance in Flash are as follows:
1.      Use the Selection tool to select an instance of the symbol.
2.      To change the transparency, in the Property Inspector window, click the drop-down menu arrow for Color, choose Alpha, and change the percentage.

E.      Why do we group the shape and fill of a Flash object?
Ans:     We group the shape and fill of a Flash object so that it can become a single object.
   
F.       How would you group and ungroup objects in Flash?
Ans:    
The steps to group objects in Flash are as follows:
The steps to ungroup objects in Flash are as follows:
1.      Using the Arrow tool, select both the outline and the fill.
2.      Select Modify then select Group.
1.      Using the Arrow tool, select both the outline and the fill.
2.      Select Modify then select Break Apart.

G.     How would you change the orientation of text in Flash?
Ans:     To change the orientation of the text, select the text block and use the Property Inspector to change the text orientation from horizontal to vertical or vice-versa.

H.     Write down the steps to convert text into basic Flash shapes?
Ans:     The steps to convert text into basic Flash shapes are as follows:
1.      Select the text.
2.      Select Modify then select Break Apart.
3.      Select Modify then select Break Apart one more time. The characters can now be converted into shapes.
4.      Click outside the converted text to deselect the shapes.

Q5:      Circle the correct option.
           
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Unit # 09 – Animation in Flash

Q1:                        Fill in the blanks with the correct words.
                 
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FRAME
TIMELINE
LAYERS
ONE
MASK

Q2:            Write T for the true statement and F for the false ones.
     
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T
F
T
T
T

Q3:                        Name the following.

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BLACK
PLAYHEAD
STAGE
ONION SKIN
FILTER

Q4:      Answer the following.

A.     What are the two ways of inserting a layer?
Ans:     The two ways to insert a layer are:
1.      Select Insert then select Timeline then select Layer.
2.      Click Insert Layer at the bottom of the Timeline.

B.      How to do rename a layer?
Ans:     To rename a layer, double-click the layer name and type the new name.

C.      How do you change the order of layers?
Ans:     To change the order of layers, click the name of the layer you want to move and drag it to the required position.

D.     How does motion tweening differ from shape tweening?
Ans:     In motion tweening, we specify only the position of the first and last key frames. Flash automatically fills in the frames between the two; in shape tweening one shape appears to change into another shape.

E.      How can you control the number of frames displayed with the Onion Skin feature?
Ans:     We can control the number of frames by dragging the Start Onion Skin and End Onion Skin markers in the Timeline.

F.       What is meant by a motion guide?
Ans:     Motion guide is the path along which the object moves.


G.     Write down the steps to convert a layer into a mask layer?
Ans:     To convert the layer into a Flash mask layer, right-click the layer name and select the Mask option in the shortcut menu.

H.     Name three filters in flash?
Ans:     The three filters in Flash are:
1.      Bevel.
2.      Glow.
3.      Shadow.

Q5:      Circle the correct option.
           
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Unit # 10 – Introduction to HTML

Q1:                        Fill in the blanks with the correct words.
                 
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HOME PAGE
NOTEPAD
WEB BROWSER
ATTRIBUTE
<BR>

Q2:            Write T for the true statement and F for the false ones.
     
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B
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F
T
T
F
F

Q3:                        Name the following.

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BODY
HEAD
HTML
BODY
TEXT

Q4:      Answer the following.

A.     What are the three different parts of a website?
Ans:     A website is composed of three main sections:
1.      The home page.
2.      The main sections.
3.      Subsections.

B.      Name two types of HTML editors?
Ans:     The two main types of HTML editors are:
1.      WYSIWYG editor.
2.      Text editors.

C.      Write down two advantages of WYSIWYG HTML editors?
Ans:     The two main advantages of WYSIWYG HTML editors are:
1.      Websites can be created quickly.
2.      No knowledge of HTML tags or commands is required.

D.     What are the two distinct parts of an HTML documents?
Ans:     The two distinct parts of an HTML document are:
1.      Head.
2.      Body.
  
E.      Differentiate between container elements and empty elements?
Ans:    
Container Elements
Empty Elements
HTML elements that include both on and off tags are called container elements
HTML elements that do not require an off tag are called empty elements.

F.       What is the body tag used for?
Ans:     The Body tag contains all the text and images that make up the page. It also contains other elements that help you control and format the page.

G.     Write down any three attributes of the body tag. Give their uses.
Ans:     The three attributes of the Body tag and their uses are as follows:
1.      BGCOLOR:             Used to set the background colour of the document.
2.      TEXT:                     Used to set text colour in the document.
3.      LEFTMARGIN:       Used to set the left margin. It is a numeric value and the unit is pixels.

H.     Are elements names case sensitive?
Ans:     No, element names are not case sensitive.

Q5:      Circle the correct option.
           
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Unit # 11 – Basic HTML Commands

Q1:                        Fill in the blanks with the correct words.
                 
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<P>
6
<B>
<CENTER>
FACE

Q2:            Write T for the true statement and F for the false ones.
     
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T
F
F
T
T

Q3:                        Name the following.

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<U>
WIDTH
HEADING ELEMENTS
FACE
DEPRECATED

Q4:      Answer the following.

A.     What is the <p> tag used for?
Ans: The <p> tag is used to define a paragraph in HTML.   

B.      What are the tags for adding comments to an HTML documents?
Ans:     The tags for adding a comment to an HTML document are <!-- and -->.

C.      Write down the expansion of the <hr>, <b>, and <u> tags.
Ans:     The expansions of the given tags are as follows:
1.      <hr>:         stands for horizontal line.
2.      <b>:           stands for bold.
3.      <u>:           stands for underline.

D.     What is the function of the noshade attribute of the <hr> tag?
Ans:     The NOSHADE attribute of the <hr> tag displays a solid line without shading.

E.      What can be the different values of align attribute of the <hr> tag?
Ans:     The different values of the ALIGN attribute of the HR tag are LEFT, CENTER, and RIGHT.

F.       Give examples of the two different ways of specifying the length of the horizontal line.
Ans:     Two examples of specifying the length of a horizontal line are:
1.      <hr width=“150”>
2.      <hr width=“70%”>
  
G.     Identify the error in the following and then write the correct code.
<hr thickness=”45” COLOR == “red”>
            Ans:     The correct code is as follows:
<hr size= “45” COLOR = “red”>

H.     Write the code to display Hello , World bold-faced and underline, in the centre of the page, and in size 8.
Ans:     The correct code is as follows:
<center>
<font size= “8”>
<b><u>Hello, World </u></b>
</font>
</center>

Q5:      Circle the correct option.
           

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