Class 7 - revision paper

I.  Fill in the blanks:                                                                        

1.    ___ folder stores all the incoming e-mails.

    2. Y axis is also known as  _____ axis.

    3. For making various gridlines visible in the chart, ______ tab is used.

    4.________is the number of pixels per square inch that a monitor can display.

     5. _______ deals with manipulation of text string only.

II.                True or false                                                                                

1.  The sqr function is used to find the square root of the number

     in BASIC.

2.   The screen statement allows you to change the colour of the screen.

3.   An indexer searches the internet for new terms.

4.   A pie chart is used to plot a single set of series.

5.  Values present in the worksheet are known as data labels.

III.Name the  following :                                                        

    1. Crawler and indexer jointly results in the efficiency of this.

(search engine)
   

    2. Popular video conferencing software(cu-SeeMee, Microsoft   net meeting)

    3. Compresses and decompresses video and audio data(codec)

    4. It displays more than one set of figures in the Excel chart.(doughnut)

    5. Transfers the controls to a specified line in the BASIC program.(jump  statement)

IV.  Find the odd one out :                                                                        

1. For …Next , Do…Loop,  While…. Wend
2. Google, Google Chrome, Fire fox, Opera
3. Word, Excel, Powerpoint, Notepad
4. www.facebook.com , www.olx.com , www. Ebay.in, www.flipkart.com
5. Inbox, Compose, Draft, Favorites

V. Correct the mistakes if any:

1.     For a=100 to 10 step 10

2.     X= 3

Do X<=10

Print X

Wend

3.     String s$=”Google Chrome”

Print Left$(4,s$)

4.     While statements are executed till the condition is false, whereas do until till the condition is true.

VI. 

1.     Predict the output for the following statements:
LET C = 0

DO WHILE C <= 5

LET C = C + 1

LOOP

PRINT C

a. 0

b. 1

c. 5

d. 6

   3. What would be the output for the following program segment:

            A$=”Bishop Cotton Boys’ School”

            Print LEN(A$)

  

VII. Write programs for the following questions:

    1. Display the even numbers from 20 to 200.[Use  for]                        

    2. Display the numbers from 500 to 1[Use do until]                           
3. Display the numbers from 1 to 50.[Use while]                       
4. Display the following output if the value of B$=”Cottons”:  

Cottons
Cotton
Cotto
Cott
Cot
Co
C

VIII. Answer the following questions:                                           

1.     What are the screen modes in BASIC?
2.     Discuss any two means of communication over the internet.
3.     Write a short note on videoconferencing.
4.     What are the options available in layout tab in Excel?
5.     Name any four types of charts.
IX. Identify the following:
1.

2.

3.