Chapter 12

      Class 6                                                     Lesson 12

QB64 Statements

Q1. What is the use of INPUT statement? What does a computer do when we use INPUT statement?

Ans. The input statement is used to accept a data item from the user and store it in a variable. A computer performs the following tasks when we use Input Statement:

1.      It stops the further execution of the program.

2.      It prints question mark on the screen.

3.      It waits for the user to key in its response and press the enter key.

4.      It assigns the same data item into the corresponding variable.

Q2. What is the use of PRINT statement using TAB function?

Ans. The TAB function is used to move the print position to the column given in its argument. This statement is quite suitable for printing tabular type of results.

Syntax:   PRINT TAB (C); “Constant/Variable/Expression”

Q3. Differentiate between the use of PRINT statement with comma and semicolon by using examples.

Ans. PRINT with Semi Colon: It is used to display the values One after another, without any space  in between.

Syntax: PRINT (variable);(variable);…

Example:     LET X$= “MY”

                      LET Y$= “NAME”

                      PRINT X$; Y$

                      END

PRINT with Comma:     It is used to display the values one after another with plenty of spaces in between. Only five values can be printed in one line.

Syntax: PRINT (Variable), (Variable)

Example:           LET X =78

                           LET Y = 22

                           LET Z = 52

                           PRINT X, Y, Z

                           END

Q4. What is the use of Assignment statement?

Ans. The Assignment statement is used to assign or give a value to a variable.

      Syntax:  [LET] <Variable Name> =<Value>

The use of word LET is optional.

Q5. When does the “redo from start” message get displayed on the screen?

Ans. If the value entered during execution of a program does not match with the type of variable given in the program, then the “redo from start” message is displayed on the graphic screen. It means that you have to re-enter all the values.

L-11 (Question/answers)

Class 6                                                     Lesson 11         

Q1. Define QB64 language.

Ans. QBasic is an IDE, developed by Microsoft to type, edit, debug and execute BASIC programs. QBasic uses English like words and Mathematical symbols to write programs. 

Q2. Write the different ways to run a QB64 program.

Ans. The two ways to run a program in QB64 are as follows:

1.By pressing F5 key

2. By selecting Run menu and clicking on the start option.

Q3. Define variables. Name the types of variable.

Ans. A variable is a location in the memory, which has been assigned a name, and it used to store data temporarily. It  holds the value until another value is assigned to it.

There are two types of variables:

1 .Numeric variables: It can hold only numeric value.

Example: A, C, A2, ABC, A_6 .

2. Alphanumeric or string variables: It is represented by an alphabet followed by dollar ($) sign.It contain letters ,digits ,underscore but last character is always a $ .  Example : A1$ , RK1$.

Q4. Differentiate between Numeric and Alphanumeric constant?

Ans.               Numeric constant                                       Alphanumeric constant

1. Any numerical value, either positive            1. A set of characters is called a String.

Or negative is called a Numeric constant.

2. For example: 224, +12, -45                         2. For examples: “RAGHAV”

3. These are used for calculations.                3. It is used to represent non                                                                                            numeric quantities. such as name ,                                                                                      addresses.

Q5. Define the term Hierarchy of operations. Write the hierarchical order of the arithmetic operator in QB64?

Ans. Hierarchy defines the order in which the operators are executed in any QBASIC expressions.  The hierarchy of QBASIC is:-

B	Brackets	( )
E	Exponentiation	^
D	Division	/
M	Multiplication	*
A	Addition	+
S	Subtraction	-

CH-6

Chapter 6

Microsoft Excel 2010

Q1. What do you understand by Microsoft Excel?

Ans. Microsoft Excel is spreadsheet software. It is used to perform mathematical calculations. It consists of rows and columns.

Q2. Differentiate between a Workbook and a Worksheet.

Ans. A workbook is a file that contains one or more worksheets that you can use to organize various kinds of related information.

An Excel worksheet is a grid like area , made up of  and columns, where you can enter and work with data .By default, excel has 3 worksheets .

Q3. What is a cell? How many characters can a cell contain?

Ans. A cell is an intersection of rows and columns in a worksheet. A cell can contain up to 32,767 characters.

Q4. What is a Formula Bar? How is it different from the Name Box ?

Ans. The formula bar is located to the right of the name box .This bar shows the data and formulas that you enter in an active cell .Whereas the Name Box is above the Column heading on the left side of the window. It displays the location of the cell pointer.

Q5. How many types of data can be entered in an excel sheet? Explain each type briefly.

Ans. Three types of data can be entered in an excel sheet.

1.  Numbers: it consists numerals from 0 to 9 and characters like +,-,*, /, %, ^, & etc.

2.  Text: it contains alphabets, numbers, spaces and special characters. By default text data is left aligned.

3.  Formulae: It is a mathematical equation involving number values, operators and cell addresses used to perform calculations.

Q6. How can you rename a worksheet? Explain.

Ans 1. Double click on the sheet tab you want to rename.

       2. it will be highlighted

       3. Type a new name and press Enter key

ch-4

Chapter 4                  Microsoft Powerpoint 2010

Q1. Explain any two methods to insert a table in a presentation

Ans.Method 1 :  We can insert a table in a slide  by clicking on the table option in the insert  tab .Insert Tab dialog box will appear .Define the number of rows and columns . Click ok .

Method 2 : Click on the Insert tab and select Table > Draw table option to draw a table .

Q2. Describe the method to add rows in a table .

Ans. To insert rows in a table :-

      I.            Place the cursor in a cell .

   II.            Click the right mouse button .

III.            Select the insert option , click either on the Insert Rows Above or Insert Rows Below option .

Q3. How can you apply border to a table and change its colour ?

·       Select the cells where you want to add border .

·       Click on borders button in Table styles group on the design tab .

·       Select all borders option from drop down menu .

To change its color : Select the table . Click on pen color button in the draw borders group on the design tab . Select the color .

Q4. Name all the six alignment buttons present on the layout tab .

Ans. Align Text Left , Center , Align Text Right , Align Top , Center Vertically And Align Bottom .

Q5 . Differentiate between category Axis and Value Axis .

Ans. Category axis :Its is the horizontal axis , also known as the X – Axis .It is used to compare and present the matter in the chart .

Value Axis : It is the vertical Axis , also known as Y-Axis . It is used to plot the values .

Q6. Define the term Chart . Name the components of a chart .

Ans. Chart is an effective way to display data in a graphical and pictorial form

Components of chart are :-

1.    Chart Area

2.    Category Axis

3.    Value Axis

4.    Data Series

5.    Category Name

6.    Plot Area

7.    Legend

8.    Chart title

9.   Gridlines

Q7. How will you delete the default data of a datasheet ?

Ans. To delete all the data from datasheet, move the mouse pointer to blank button. Then the pointer changes to plus sign, click on the button and press delete key.

Q8. Explain method to change chart type .

Ans. Select the Chart . Click on the Design Tab under Chart Tools .

Click on the Change Chart Type button in the Type group .select any chart type and click ok .

CH-13

Ch-13

Internet services

Class6

Q1. Briefly explain the term internet.

Ans1.internet stands for international networks of computers. The internet is a “network of networks” that consists of millions of computers spread across the world. Internet allows us to share the information worldwide.

Q2. What do you mean by term E-commerce?

Ans2.e commerce stands for electronic commerce, which means online commercial activities. Internet offers us convenient ways to shop from our homes. Some popular ecommerce websites are:-www.ebay.in, www.amazon.in.

Q3. Define the term WWW. Who is the founder of WWW?

Ans3. The World Wide Web(WWW) is a large computer network whereby using a browser, such as netscape, or internet explorer one can surf and get information. Tim Berners Lee is the founder of WWW.

Q4. What do you understand by term E-banking?

Ans4. Electronic banking is an advanced method of performing bank transactions through internet. Using E- banking, one can check the available amount of, make FD, transfer money, apply for loans and so on.

Q5. Explain the concept of chatting.

Ans5. A chat is an online conversation over the internet in which text based messages can be instantly sent back and forth. one can chat through an instant messenger, a chat room, a chat website etc.

Q6. Write a short note on internet free calls.

Ans6.you can make free voice calls and video calls to anyone across the world using an internet connection if you have the particular software installed in devices on both the ends.

Q7. Describe the term video conferencing.

Ans7. Video conferencing involves the use of video cameras connected to two or more computers. Images and sounds are sent through the internet where users not only hear each other, but can also have face to face communication.

Q8. What are the features of Electronic mail? Name any two websites, which provide the E-mail facility.

Ans8.E Mail stands for electronic mail. It is the fastest way of sending mails. We can attach photos, videos or other important data along with our message through email. Gmail and Rediff mail provide the email facility.

CH-8

Ch- 8

LOG on to Flash CS3

Class 6

Q1. What is flash? What are the main parts of Flash working environment?

Ans1. Flash is an animation software package. It provides an easy way to create animation. The main parts of flash working environment are: -

1.     The stage

2.     Menu bar

3.     The tools panel

4.     Timeline

5.     The properties panel.

Q2. What is the difference between stroke and fill color?

Ans2. Stroke is the shape outline, it can be changed using ink bottle tool while fill color can be done using paint bucket tool to fill enclosed areas with color.

Q3. What are the three modes of pencil tool? Explain any one.

Ans3. The three modes of pencil tool are: -

1.     Straighten

2.     Smooth

3.     Ink

1.     Straighten: - This is the default option. This mode automatically straightens the line drawn by the Pencil tool.

Q4. What are the options of the eraser mode modifier? Explain any two briefly.

Ans4. The different eraser mode modifiers are as follows: -

1.     Erase normal

2.     Erase fills

3.     Erase lines

4.     Erase selected fills

5.     Erase inside.

Q5. What are keyframes?

Ans5. Keyframes are special type of frames where we can define change in the object for an animation like position, color, shape etc.

CH-9

Ch-9

Working with flash CS3

Class 6

Q1. What are symbols? Name the type of symbols.

Ans1. A symbol is a reusable object for static images or animation. There are mainly three types of symbols: -

1.     Movie clip

2.     Button

3.     Graphic

Q2. Define the term instance.

Ans2.Instance is a copy of the original symbol. The size, color, shape and position can be altered without affecting the original symbol.

Q3. What do you understand by the term animation?

Ans3. Animation is the illusion of movement created by displaying a series of images in an ordered manner, very quickly.

Q4. Why do we use motion guide layer?

Ans4. Motion guide defines the path of the movement of an object.

Q5. How do you convert an object into a symbol? Explain briefly.

Ans5. To create symbol, follow these steps: -

1.     Choose the selection tool and double click the object to select it.

2.     When selected choose modify> convert to symbol.

Or

            Select the object and press ctrl+f8 key combination.

Q6. What is tweening? Name the types of tweening.

Ans6. Tweening means “in between’. The movement from one keyframe to other becomes easy with the use of tweening method. There are two types of tween in flash: -

1.     Motion tween

2.     Shape tween.

ch-2

Lesson 2(6A-16.5.17)

More on windows 7

Q1 what do you understand by Window Media Player?

Ans. Windows media player runs and organizes digital media files available in computer memory. It allows us to play copy and create CDs/ DVDs, and copy music and video to portable devices.

Q2. Differentiate between ripping and burning features.

Ans .  Ripping:   It is a process to copy data from CD to Computer system.

Burning: It is a process to copy data from Computer to CD, DVD.

Q3. What is the utility of windows Media Center?

Ans. Using Window media Center, we can watch and record TV shows with a cable connection.

Q4. How will you display two applications windows side by side?

Ans.  1. Open any two application software’s windows.

2. Right click anywhere on the blank portion of the taskbar.

3. Click on the show windows side by side option from the shortcut menu.

4. Both windows will be displayed.

Q5. What is meant by the term Disk Cleanup?

Ans. Disk Cleanup feature helps to remove unwanted files from the hard disk to free up disk space and help the computer to run faster.