CBSE Class 4 Computers Assignment

Q1.choose the correct answers.

1. The number of rows in a worksheet are:

A. 36500

B.65536

C. 256

D. 64536

2. The red wave underline in MS Word document indicates

A. Spelling errors

B). Grammar errors

C. Address block

D). None of these

3. In word-processing the task of changing the appearance of a document is

A. Formatting

B). Editing

C. Proofing

D). Inserting

4. To start Microsoft PowerPoint application

A) Click on Start >> Programs >> All Programs >> Microsoft PowerPoint

B) Hit Ctrl + R then type ppoint.exe and Enter

C) Click Start >> Run then type powerpnt then press Enter

D) All of above

5. PowerPoint presentations are widely used as

A) Note outlines for teachers

B) Project presentations by students

C) Communication of planning

D) All of above

6 . A new presentation can be created from

A) Blank Presentation

B) From Existing Presentation

C) From Design Template

D) All of above

7. The word length of a computer is measured in

A) Bytes

B) Millimeters

C) Meters

D) Bits

8. MICR stands for

A) Magnetic Ink Character Reader

B) Magnetic Ink Code Reader

C) Magnetic Ink Cases Reader

D) None

9. Central Processing Unit is combination of

A) Control and storage

B) Control and output unit

C) Arithmetic logic and input unit

D) Arithmetic logic and control unit

10.CD-ROM stands for

A) Compactable Read Only Memory

B) Compact Data Read Only Memory

C) Compactable Disk Read Only Memor

 

Difficult Words

1. Flexibility

2. Beautify

3. Temporary

4. Office Button

5. Character

6. Clipboard

7. Grammar

8. Suggestions

9. Thesaurus

10. Proofing

Define:
Clipboard: Clipboard is a temporary storage area in Windows. It can hold a piece of information at a time for further use in a program or to store, cut and paste data while switching between two programs.
Review Tab: In Microsoft Word 2007, the Review Tab is useful in a lot of ways. You can have the Spelling and Grammar feature, the Research option, Thesaurus and Translation functionality to help you improve your documents.
.
Answer the following questions:

Q1: What do you understand by word processing?
Ans: Word processing describes creating or editing a document using a word processor, such as Microsoft Word, Google Docs, or OpenOffice Writer. For example, a student could create a book report in a Word Processor application. Then, the student could print it, save it to a disk, display it on the screen, or send it over e-mail.

1) Define:
a) File: File is a collection of data stored on a storage device.
b) Folder: A folder is a place where one or many files are stored. A folder can hold both files and other folders in it.
c) Accessories: It contains applications that make our work easy and fast.
2) Answer the following questions:

Question. Name some common versions of Windows 7.
Answer : Some common versions of Windows 7 are:
a) Windows 7 Home Premium
b) Windows 7 Professional
c) Windows 7 Ultimate

Question.What do you know about Windows 7?
Answer : Windows 7 is a very popular Operating System developed by Microsoft and is designed to be used in PC’s for business and home purpose.

Question.What do you mean by the term Renaming?
Answer : Renaming means changing the name of an existing file or folder.

Question.Write the uses of the following accessories present in Windows 7?
a) Calculator
Answer : A calculator performs basic arithmetic tasks with on-screen calculations.

b) Network Projector
Answer : It is a video projector that’s connected to a network. It is used to give a presentation.

c) Notepad
Answer : It is used to create and edit text files using basic text formatting.

d) Sound Recorder
Answer : This tool is used to record sound and save it on the computer.

e) Sticky Notes
Answer : It is used to create short, hand written or text based notes.

3) Write down the steps for the following:-

Question.Write down the steps to create a folder in Windows 7.
Answer : To create a folder, follow these steps:-
Step 1- Move the mouse on blank space on the desktop and Right-click it. A short cut menu appears on the screen.
Step 2- Move the cursor on New option. A submenu appears.
Step 3 Click and select the Folder option. A new folder appears.
Step 4- Type the name of the new folder. Now the folder is ready to store files in it.

Question.Write down the steps to rename a file or a folder.
Answer : To rename a file or folder, follow the given steps:
Step 1- Select the file or folder required to be renamed.
Step 2- Right-click the mouse button and select the Rename option. Type the new name of the file or folder. Click on the blank space outside the name box. Renaming is done.

Question.Write down the steps to copy a file or a folder.
Answer : To copy a file or folder from, follow these steps:
Step 1- Select the files or folder to be copied.
Step 2- Right-click on the mouse button and click on Copy option.
Step 3- Select the place where file is to be copied and double-click to open it.
Step 4- Right-click the mouse and click the Paste option. The file is copied to a new place.

Question.Write down the steps to move a file or folder.
Answer : To move a file or folder from one place to another, follow these steps:
Step 1- Select the file or folder to be moved.
Step 2- Right-click on the mouse button and click the Cut option.
Step 3- Select a new location where the file is to be moved. Open it by double-click.
Step 4- Right-click the mouse and click the Paste option. The file is now moved to a new place.

• Attempt all the questions.

• Write complete statement of fill in the blanks / match the following / true or false.

Q.1 Answer any five questions:-

a) Write a short note on the characteristics of computers.

b) Define Hard copy and Soft copy.

c) What are input and output devices ?

d) What do you mean by a folder?

e) What is a screensaver ?

f) Which icon is used to access any file or folder present on the computer?

Q.2 Match the following:- 

a) Rotate Change to its mirror image

b) Zoom Elongate or shrink the drawing

c) Flip Change the angle of the selected picture

d) Stretch Magnify the drawing

e) Skew Rotate the object through the given angle

Q.3 State True/ False:- 

a) Abacus was invented in China. ( )

b) The first calculator was invented by Charles Babbage. ( )

c) Computers are very accurate. ( )

d) Napier bone was the first calculating device. ( )

e) Computer cannot store data and instructions. ( )

Q.4 Fill in the blanks:- 

a) The icon for a folder, looks like a ___________.

b) Output produced on paper, which is permanent, is called ___________.

c) ___________ is a named storage area on a computer, containing files and other folders.

d) ___________ and ___________ are the two options in the Stretch command.

e) The keyboard shortcut to copy a selected portion is ___________.

Q.5 Answer the following questions in brief :- 

a) What is the purpose of the flip/ Rotate commands ?

b) Can you store a folder inside another folder?

c) What is a wallpaper ?

d) Name a few pointing device.

e) What is file ?

PRACTICAL ASSIGNMENT. 

Q.A - Fill in the blanks:
Q.1. Computer is a machine which cannot think on its own and requires ____________ from us.
Q.2. ____________ is the most important program of a computer.
Q.3. __________________ means we can perform more than one task at a time.
Q.4. The ___________ version of Windows operating system was Windows 95 .
Q.5. We can pin our favourite programs on the ___________ for easy access.
Q.6. The shortcut to create a new file is ________________ .

Q.B- Multiple Choice Questions:

Q.1. Shift + Del is the shortcut to delete files/folders ___________.
(A) Temporarily (B) Permanently (C) None of these

Q.2. Using Context menu you can save your time to access _____________ .
(A) Commands (B) Object (C) Properties

Q.3. Linux is a/an __________ software.
(A) Application (B) Utility (C) Operating System

Q.4. A folder within a folder is called _______ .
(A) File (B) Sub-folder (C) Cabinet

Instructions:

1. Attempt all the questions.

2. Write complete statement of fill in the blanks and true/false.

Q.1 Answer any five questions :

a) How many rulers are there on MS-Word window? Name them.

b) What do you mean by the statement ‘Multimedia programs are interactive’?

c) What are the three parts of a Repeat command?

d) For what purposes can Multimedia be used?

e) Which command is used to hide the turtle?

f) Write the command to draw a circle.

g) How many degrees are required to draw a full circle?

Q.2 State True/False :

a) Games software are one of the most important packages of cognitive skills.

b) In windows media player , you can not Stop, Reverse or Forward CD-ROM.

c) Backward command is used to clear the drawing screen.

d) A Word document file is saved with an extension doc.

e) ST command is used to hide the turtle.

Q.3 Write the commands to draw: 

a) Octagon with using REPEAT command.

b) Square without using REPEAT command.

Q.4 Fill in the blanks: 

a) __________ scroll bar is used to shift the on-screen display up or down.

b) __________ is a blinking vertical line in the workspace.

c) __________ command is used to bring the pen down.

d) MS-Word keeps track of the last __________ files we used.

e) __________ command clears the drawing screen.

Q.5 Answer the following questions in brief :

a) What is work space?

b) Which command activates the eraser?

c) Which command is used to move the head of the turtle in left direction?

d) What is Multimedia?

e) What is the use of the REPEAT command?

Practical Assignment (20)

Q.A - Fill in the blanks:
Q.1. ____________ is founded the Microsoft.
Q.2. When we switch on a PC, the opening screen of Window is called ___________.
Q.3. __________________ means we can perform more than one task at a time.
Q.4. We can pin our favourite programs on the ______________ .
Q.5. The shortcut icon has a small ______________ on its lower left corner.
Q.6. Small ________________ displayed on the desktop called icons.

Q.B- Multiple Choice Questions:

Q.1. Which button open the Start menu?
(A) Computer Icon
(B) Windows button
(C) Start button

Q.2. A ____________ is a collection of relevant files stored together or some storage devices.
(A) Icon
(B) Folder
(C) Desktop

Q.3. Windows is a _______________ user interface.
(A) Graphical
(B) Character
(C) Word

Q.4. Windows 7 is an easy to use and __________ operating system.
(A) Picture
(B) free
(C) Multitasking

Q.5. An operating system __________ the overall activity of a computer.
(A) Design
(B) Controls
(C) Damage

Q.6. The most important program of a computer is the ____________.
(A) Application
(B) Utility
(C) Operating System

Instructions:

• Attempt all the questions.

• Write complete statement of fill in the blanks / match the following / true or false.

Q.1 Answer any five questions : 

a) What is a Computer?

b) What is a wallpaper?

c) What is the use of the Show Grid option of the View menu?

d) What are input devices?

e) What is a file?

f) Write a short note on the characteristics of computers.

g) What is the purpose of the Copy command?

Q.2 Match the following: 

a) Flip Mouse

b) Father of computer Magnify the drawing

c) Skew Change to its mirror image

d) Pointing device Change the angle of the selected picture

e) Zoom Charles Babbage

Q.3 State True/False : 

a) Napier’s Bones was the first calculating device.

b) Joystick is a pointing device.

c) The background of the desktop is called screensaver.

d) Computers cannot store data and instructions.

e) Output produced on VDU is called soft copy.

Q.4 Fill in the blanks:

a) ________ is an output device used to print output on paper.

b) Abacus was invented in ________.

c) VDU stands for ________.

d) The icon for a folder looks like a ________.

e) ________ is a pointing device used for playing games.

Q.5 Answer the following questions in a word : 

a) What is Soft Copy?

b) What is data?

c) Name two output devices.

d) Name the first calculating device?

e) What is the purpose of the Flip/Rotate command?

PRACTICAL ASSIGNMENT (20)

Difficult Words

1. Formatting

2. Italic

3. Emphasize

4. Alignment

5. Justify

6. Vertical

7. Quick Access Toolbar

8. Appearance

9. Shading

10. Graceful

Define:

Border and Shading
Borders are rules you can add to any or all of the four sides of a paragraph. Shading is the color or artistic design you use as background for a paragraph.

Wildcard Character:

A wildcard allows you to search for variable text. For example, you can use the asterisk (*) wildcard to search for a string of characters (“s*d” finds “sad” and “started”), or use the question mark (?) wildcard to search for any single character (s?t finds “sat” and “set”). To search for a character that’s defined as a wildcard, type a backslash (\) before the character. For example, type \? to find a question mark.

Answer the following questions:

Q1: What does formatting mean?
Ans: Formatting means changing the appearance of a document to make it attractive. We can create and design appealing documents by changing the font, adjusting line spacing, setting margins and many more.

Q2: What is font? How will you change the font in your document?
Ans: The characters of a specific size and design for typing the text are called Fonts. We change the font by given steps. 1. Select the text you want to modify. 2. Left-click the drop-down arrow next to the font style box on the Home tab. The font style drop-down menu appears. 3. Select the desired font. Observe the change.

Q3. What do you mean by Boldface? How will you apply the bold effect to the title of an essay?
Ans: A font that is darker than the regular face. For example: normal font, boldface font.
We can apply bold effect by select the text then press ctrl + B.

Q4. What do you understand by text alignment? Name the types of alignment available in MS Word 2007
Ans: Alignment refers to the positioning of text on a page. There are four types of paragraph alignment you can set within Word:
• Left-aligned. All lines in the paragraph butt up against the left text margin.
• Center-aligned. All lines in a paragraph are centered between the left and right text margins.
• Right-aligned. All lines in a paragraph butt up against the right text margin.
• Justified. All lines in a paragraph are expanded so they butt up against both the left and right text margins.

Q5. What do you understand by line spacing?
Ans: Line spacing is the space between each line in a paragraph. Word allows you to customize the line spacing to be single spaced (one line high), double spaced (two lines high), or any other amount you want.

LESSON 1: INPUT AND OUTPUT DEVICES

Q1. What are input devices? Name any two.

Ans : The devices through which we enter data and instructions are called input devices. e.g. keyboard, mouse.

Q2. What is a printer? Name any two.

Ans. Printer is an output device which prints the output on paper. e.g. inkjet, laser.

Q3. What is the use of CPU? Name its parts.

Ans. CPU processes and stores the information, perform the calculations and sends the result to the output devices. Its parts are: Control unit, ALU, Memory unit.

LESSON 2: MEMORY AND STORAGE

Q1. What do you understand by a computer’s memory?

Ans. The Place where computer stores its data or information is called computer’s memory.

Q2. What is hard disk?

Ans. Hard disk is the main storage device. It is fixed inside the CPU. It holds large amount of data.

 

A. Check the Right Answer

a. How many different in-built backgrounds are present in Tux Paint using which you can start a new drawing?
♦ 37
♦ 47
♦ 57
♦ 67

b. How many different shapes are available in the sub-toolbox of the Shapes tool?
♦ 15
♦ 16
♦ 20
♦ 23

c. Name the arrow that is used to spin the image at any angle from the center point.
♦ Move arrow
♦ Rotate arrow
♦ Spun arrow
♦ None of these

d. Which tool is used when you draw water bodies in your drawing?
♦ Wavelets
♦ Smudge
♦  Smudge
♦ Waves

B. Fill in the blanks :

a. A …………… mascot helps us to know more about Tux Paint.

b. We can now draw curvy stalked flowers using the…………………… tool under the Magic effect.

c. We can rotate any shape upto …... degrees.

d. We can add natural looking foam bubbles using the……………… effect.

C. State True (T) or False ( F)

a. There are 18 different shapes available in the subtoolbox of the Shapes tool. ..................

b. We can rotate any shape by any angle on a 180 degree scale...................

c. There is no option to choose a picture as the .................. starting background of a new file.

d. A Penguin mascot helps us to learn more about Tux Paint and its tools. ..................

D. Answer the following

a. Who is the lead developer and designer of Tux Paint?

b. Which tool is used to draw various filled and unfilled polygonal shapes?

c. Name the Indian who helped in translating the Tux Paint software in Hindi.

d. Which tool is used to erase the unwanted parts of a picture?