NOTES/ SOLVED EXERCISES WITH QUESTIONBS OXFORD KEYBOARD COMUTER SCIENCE WITH APPLICATION SOFTWARE FOR CLASS / BOOK 2 SECOND EDITION

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NOTES/ SOLVED EXERCISES WITH QUESTIONBS OXFORD KEYBOARD COMUTER SCIENCE WITH APPLICATION SOFTWARE FOR CLASS / BOOK 2 SECOND EDITION

 

Contents

  • COMPUTER—A MACHINE P:1-10

° Computer—-A Machine

‘ Humans and Computers

° Types of Computers

‘ Starting Up and Shutting Down a Computer

  • Parts of a Computer

PARTS OF A COMPUTER P:11-21

‘ Monitor

‘ CPU Cabinet

° Keyboard i

‘ Mouse

° Printer

‘ Microphone, Speakers, and Headphones

‘ UPS

‘ Storage Devices “

WORKSHEET 1 2 P:22-23

  • USES OF COMPUTERS P:24-31

° Schools

‘ Railway Stations and Airports

‘ Making Films

‘ Banks

° Hospitals

° Offices

° Design

‘ Space Research

‘ Publishing

  • KEYBOARD P:32-40

‘ Cursor Control Keys

‘ Backspace Key

‘ Delete Key

‘ Caps Lock Key

P SN um Lock Key

° Shift Key

° Tab Key

° Esc Key

  • COMPUTER MOUSE P:41-47

‘ Mouse Actions

WORKSHEET 2 P:48-49

  • INTRODUCTION TO MS PAINT P:50-60

° Starting MS Paint

‘ Closing MS Paint

° Using Tools

‘ Starting a New Drawing

‘ Saving a Drawing

° Opening an Already Saved Drawing

  • DRAWING IN MS PAINT P: 61-72

° Curve Tool

° Shapes Tool

‘ Polygon Tool

° Eraser Tool

° Fill with Color Tool

‘ Text Tool

° Select Tool

° Magnifier Tool

‘ Color Picker Tool

WORKSHEET 3 P: 73

 

Ch:1 COMPUTER—A MACHINE    P: 1-10

1- WRITE THE FIRST LETTER OF THE WORD FOR EACH PICTURE IN THE BLANKS BELOW. ONE HAS BEEN DONE FOR YOU.

a- Write the word three times to learn how to spell it.

 

b- Write the word three times to learn how to spell it.

  1. a. Computer b. Laptop

 

  1. LOOK AT THE PICTURE AND ANSWER THE QUESTIONS.

Mrs. Parvez is working on a ……………. .. (desktop/laptop).

Her daughter Aisha is watching a cartoon film on her ……………… .. (palmtop/

laptop).

  1. Desktop Laptop
  2. COLOUR THE CARDS THAT SHOW THE LETTERS OF THE WORD COMPUTER RED. THEN COU ALL THE FISH.

There are ……………… .. fish altogether.

Total number of fish: Ten (10)

  1. COLOUR THE CARDS THAT SHOW THE LETTERS OF THE WORD LAPTOP GREEN.

 

  1. ZAIN HAS TO WRITE THE CORRECT STEPS TO START UP A COMPUTER. HELP ZAIN BY WRITING THE CORRECT NUMBERS IN THE BOXES NEXT TO THE PICTURES.
  2. Switch on the power supply.
  3. Switch on the UPS.
  4. Switch on the CPU.
  5. Switch on the monitor.
  6. FILL IN THE BLANKS WITH THE CORRECT WORDS.

desktop icons monitor on Start

  1. To start up a computer, switch on the power button on the cabinet and the the ……….
  2. The first screen that appears when the computer is switched on is called the…………
  3. The small pictures on the desktop are called ……………… .. .
  4. To shut down the computer, first click on the …………….. .. button.
  5. To keep the UPS charged, the power supply is kept ………………
  6. a. monitor b. desktop c. icons d. Start e. on
  7. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  8. There is a correct way to start up a computer. ……….
  9. To start up a computer, first switch on the monitor and then the it power button on the cabinet. ……….
  10. To shut down a computer, first click on the Start button. ……….
  11. a. T b. F c. T
  12. What is the desktop?
  13. When you start the computer a screen appears with small pictures on it. This screen is called the desktop.

 

  1. What are icons?
  2. The small pictures on the desktop are called icons.

 

  1. What is the second step in shutting down a computer?
  2. The second step in shutting down a computer is to click on the Shut Down button.

Ch:2 PARTS OF A COMPUTER     P:11-21

1- USING A PENCIL, DRAW THE PATH TOM MUST TAKE TO REACH HIS

NEW COMPUTER SYSTEM.

 

  1. RIAZ WANTS TO USE HIS COMPUTER TO LISTEN TO MUSIC STORED ON A DVD, BUT HE DOES NOT WANT TO DISTURB OTHERS. PUT A CROSS NEXT TO THE PICTURES OF THE DEVICES HE WILL NOT USE TO DO THIS.
False True True False

 

  1. WHAT IS RUBY WEARING? WRITE THE NAME IN THE BLANK SPACE.

 

Ruby is wearing a pair of ………………with an attached microphone.

Headphones

  1. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  2. A CPU cabinet looks like a TV. ………. ..
  3. A keyboard is used to enter information into a computer. ………. ..
  4. The mouse is not used to click and drag objects on the monitor. ………. ..
  5. a. F b. T c. F
  6. FILL IN THE BLANKS WITH THE CORRECT WORDS.

keyboard printer UPS mouse CPU

  1. The ……………. .. controls all the other parts of a computer.
  2. The……………. .. is used to enter information into the computer by pressing keys
  3. The……………. .. helps to draw pictures on the computer.
  4. The……………. .. makes a printed copy of your work from the computer.
  5. The……………. .. keeps the computer working for some time even after the electricity goes off.
  6. a. CPU b. keyboard c. mouse d. printer e. UPS
  7. MATCH THE WORDS IN COLUMN A WITH THE PICTURES IN COLUMN B
Column A Column B
a. Monitor

b. Printer

c. Speakers

d. Headphones

 
  1. a. ii b. iv c. i d. iii
  2. What are the four main parts of a computer?
  3. The four main parts of a computer are the CPU, the monitor, the keyboard, and the mouse.

 

  1. Which part of the computer acts as its brain?
  2. The CPU acts as the brain of the computer.

 

  1. What is a printer used for?
  2. A printer is used to make a copy, usually on a sheet of paper, of information stored in the computer.

 

  1. What is a microphone used for?
  2. A microphone is used to record different sounds.

 

  1. Sana wants to play some loud music from her computer at her birthday party

Should she use the speakers or the headphones?

  1. Sana should use her speakers to play loud music at her birthday party.

 

  1. Write the full form of UPS.
  2. The full form of UPS is uninterrupted power supply.

 

  1. What is a UPS used for?
  2. A UPS keeps the computer working for some time even after the electricity goes off.

 

  1. Name two devices used to store information.
  2. CD-ROMs and DVD-ROMs are two devices used to store information.

 

Ch:3 USES OF COMPUTERS         P:24-31

  1. SAIMA WANTS TO WITHDRAW MONEY FROM THE ATM. DRAW A LINE TO HELP HER FIND HER WAY TO THE MACHINE AT THE END OF THE MAZE. WHAT DOES ATM STAND FOR?

ATM …………………………………………………………………………………………………………………

Exercises

1.

ATM stands for automated teller machine.

 

  1. MATCH THE USES IN COLUMN A WITH THE SPACES IN COLUMN B.
Column A Colurnn B
a. fee details

b. booking tickets

c. bank accounts

d. designing books

 i. railway station

ii. school

m. publishing

iv. bank

  1. a. ii
  2. i
  3. iv
  4. iii

 

  1. COMPUTERS ARE USED IN VARIOUS PLACES. SOME ARE GIVEN BELOW. WRITE THE MISSING LETTERS TO COMPLETE THE WORDS.
  2. a …… .. p …… .. ts
  3. r …………… . y ………. .. tions
  4. ………. .. ks
  5. h ………….. .. tals
  6. a. airports
  7. railway stations
  8. banks
  9. hospitals
  10. FILL IN THE BLANKS WITH THE CORRECT WORDS.

ATM book tickets animation hospitals student details

  1. Computers are used in schools to maintain …………………………..
  2. Computers are used to ………………………….. .. at railway stations.
  3. Computers help in creating the ………………………….. .. shown in films.
  4. A computer also helps us withdraw money from an ………………………….. .. .
  5. In ………………………… .., computers are used to maintain the records of patients
  6. a. student details
  7. book tickets
  8. animation
  9. ATM
  10. hospitals

 

  1. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  2. In schools, computers are used to maintain records of patients. ………. ..
  3. Computers are used in creating animation for films. ………. ..
  4. You cannot design clothes using computers. ………. ..
  5. Computers are used by architects to design buildings and houses. ………. ..
  6. Computers cannot help in launching satellites. ………. ..
  7. a. F
  8. T
  9. F
  10. T
  11. F

 

  1. Write one use of computers in schools.
  2. Computers are used to make timetables in schools.

 

  1. How are computers used in airports?
  2. At airports, computers are used for booking tickets and giving information about arrival and departure times of flights.

 

  1. Name the machine used to withdraw money from bank accounts.
  2. The machine used to withdraw money from bank accounts is an ATM.

 

  1. What is email used for? What is email also called?
  2. Through email we send messages to other people using computers. Email is also called electronic mail.

 

  1. Name four things designed using computers.
  2. Clothes, buildings, cars, and books are four things that are designed using computers.

 

Worksheet 1

  1. The mouse is missing from the picture.

 

  1. a. CPU b. Printer c. Microphone d. Speakers

 

3.

 

  1. a. Click on Shut Down. 2
  2. In a few seconds, the monitor turns blank. 3
  3. Click on the Start button. 1

 

  1. Across: 4. Keyboard 6. Mouse 8. CPU 10. Speakers

Down: 1. Printer 2. DVD 3. Monitor 5. Headphones

  1. Microphone 9. UPS

Ch:4 KEYBOARD                               P:32-40

Exercises

 

1- COMPLETE THE CROSSWORD.

ACROSS

3- It is the small vertical line on the monitor.

4- This key is used to type the upper symbols on the number keys.

5- This key is used to erase anything typed on the right side of the cursor.

DOWN

1- This key is used to erase anything typed on the left side of the cursor.

2- The number of Shift keys present on the keyboard

6- This key is used to cancel a menu or dialog box.

  1. ACROSS: 3. Cursor
  2. Delete
  3. Shift

DOWN: 1. Backspace

  1. Two
  2. Esc

2.Tania has a brand new y keyboard to go with her computer system. But to get to it, she has to collect the letters in her path, unscramble them to find the name of a key, and write what it is used for. Help Tania by tracing the path for her and collecting the letters on the way.

Name of the key …………………………………………………………………………….

Use of the key ……………………………………………………………………………. ……………………………………………………………………………………………………………………………………………………………………………………………………………..

  1. Name of the key Caps Lock

Use of the key It is used to type capital letters.

3 a. Colour the keys used for typing (**$$$$$$***) blue.

  1. Colour the keys used for typing 123456789 yellow. (Use the keypad on the right.)
  2. Colour the key used to erase a letter on the left side of the cursor green.
  3. Colour the key used to erase a letter on the right side of the cursor orange.
  4. Colour the keys spelling ELEPHANT red.
  5. a. Colour the Shift key, 8 (for ), and 4 (for $) blue.
  6. Colour the Num Lock key and the numeric keys 1 to 9 (on the right keypad) yellow.
  7. Colour the Backspace key green.
  8. Colour the Delete key orange.
  9. Colour the Caps Lock key and keys with the letters e, l, p, h, a, n, and t red.
  10. FILL IN THE BLANKS WITH THE CORRECT WORDS.

Caps Lock cursor cursor control numeric keypad Shift

  1. The ……………… .. shows the position of the next letter or number to be entered
  2. The group of four keys used to move the cursor up, down, right, and left are

known as …………………………… .. keys.

  1. When the ……………………………….. .. is on, all the letters you type appear as
  2. The ……………………………….. .. is a group of number keys on the right-hand side of the keyboard.
  3. The ……………… .. key is used to type the upper symbol on a key.
  4. a. cursor
  5. cursor control
  6. Caps Lock
  7. numeric keypad
  8. Shift

 

  1. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  2. The cursor is a vertical line.
  3. You cannot move the cursor up and down.
  4. There are two cursor control keys.
  5. The Backspace key erases anything typed on the right side of the cursor.
  6. The Caps Lock keys are present on both sides of the keyboard.
  7. The Shift key is used to type the upper symbol on some keys.
  8. There is only one Shift key on the keyboard.
  9. a. T
  10. F
  11. F
  12. F
  13. F
  14. T
  15. F

6- WHICH KEYS ARE USED TO MOVE CURSOR UP,DOWN, RIGHT AND LEFT  Now colour the Tab key blue, the Caps Lock key green, the Num Lock key yellow, the Shift keys orange, and the Esc key purple.

  1. The cursor control keys are used to move the cursor up, down, right, and left.

 

7- Name the key used to move the cursor by several spaces.

  1. The Tab key is used to move the cursor by several spaces.

 

8- What will appear on the screen, if you press:

  1. a. % b.

 

9- What do you get when you press the Shift key and letter K key while the Caps Lock is on?

  1. The letter k will be printed in lower case.

 

10- What is the Esc key used for?

  1. The Esc key is used to cancel a menu or a dialog box.

 

Ch:5 COMPUTER MOUSE               P:41-47

Exercises

  1. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  2. A click is generally used to open a window.
  3. Double-clicking is used to select an object on the monitor.
  4. Right-clicking shows a list of things you can do.
  5. Drag-and-drop is used to move an object from one position to another on the monitor.
  6. a. F b. F c. T d. T
  7. LOOK FOR THE FOUR MOUSE ACTIONS IN THIS GRID AND CIRCLE THE WORDS.
  8. a. Clicking b. Double-clicking c. Right d. move
  9. Fill in the blanks with the correct words.

Clicking Double-clicking move Right

  1. …………………….. .. is generally used to select an object.
  2. ………………… .. is generally used to open a window.
  3. ………..clicking is used to show a list of commands on the monitor.
  4. Drag-and-drop is used to ………………. .. an object from one position to another

on the monitor.

  1. a. Clicking b. Double-clicking c. Right d. move

 

  1. Name any two mouse actions.
  2. Click and double-click are two mouse actions.

 

  1. What is the difference between double-click and right-click?
  2. Double-click is generally used to open a file, a folder, or a program. A right-click shows a list of things that one can do, i.e. a list of commands that one can select from.

 

  1. How do you select a file in the folder ‘Documents’?
  2. To select a file in the ‘Documents’ folder, click on the file with the left mouse button.

 

  1. What happens when you right-click on the ‘Computer’ icon?
  2. If you right-click on the ‘Computer’ icon, it shows a list of commands that you can select from.

 

  1. How can you move an object on the monitor? “
  2. Yes, we can move an object on the monitor. We can do this by using the drag-and-drop action.

 

  1. Write the missing letters to complete the names of the mouse actions below.
  2. d …… .. g-and-d …… .. p
  3. . . . . . . .………. c k
  4. d . . . . . . . . . …le-cl . . . . . . . . . .
  5. a. drag-and-drop b. click c. double-click

10- NAME THE FOLLOWING.

  1. The mouse more often used nowadays————————
  2. Moving up or down the page on the screen————————-
  3. A tilted arrow that appears on the screen when we use the ITIOUSG——————–
  4. Gently pressing and releasing the left mouse button twice within a short period of time————————-
  5. Total number of mouse actions————————
  6. a. scroll mouse
  7. scrolling
  8. pointer
  9. double-click
  10. four

Ch:6 INTRODUCTION TO MS PAINT    P:50-60

EXERCISES

  1. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  2. The Pencil tool can be used to draw a curve. …………
  3. The Brushes tool is used to draw free-form lines. …………
  4. The Colors group has an option for choosing colour. …………
  5. The Line tool lies in the Shapes group. …………
  6. When you save a drawing for the first time, you will need to give it a filename. …………
  7. a. F
  8. T
  9. T
  10. T
  11. T

 

  1. FILL IN THE BLANKS WITH THE CORRECT WORDS.

Brushes Save As Outline New Pencil

  1. The ……………. .. tool is used to draw a thin line.
  2. The ………………… .. tool is used to draw lines of different textures.
  3. ln the Shapes group, click on …. ………. to choose a line style.
  4. When you click on the Save option, the ……………. .. dialog box appears.
  5. To start a new drawing click on the Paint button and then click on the option
  6. a. Pencil
  7. Brushes
  8. Outline
  9. Save As
  10. New

 

  1. NAME THE FOLLOWING.
  2. This tool is used to draw a thin line. ………………………….. ..
  3. This tool is used to draw lines that have a different “

appearance and texture. ………………………….. ..

  1. This tool is used to draw a straight line. ………………………….. ..
  2. This option is used to save a drawing. ……… ……………….. ..
  3. This option is used to open an already saved drawing. ………………………….. ..
  4. a. Pencil
  5. Brushes
  6. Line
  7. Save
  8. Open

 

  1. Which group contains the Pencil tool?
  2. The Tools group contains the Pencil option.

 

  1. What is the Brushes tool used for?
  2. The Brushes tool is used to draw lines and curves that have different appearances and textures. Different artistic brushes are available which can be used to draw free-form and curved lines that have different effects.

 

  1. Why would you click on the down arrow under the Size option of the Brushes

tool?

  1. The down arrow is selected to select the thickness of the brush we are going to use.

 

  1. Name the tool used to draw a straight line.
  2. The Line tool is used to draw a straight line.

 

8- CIRCLE THE CORRECT OPTION.

  1. This contains the drawing tools.
  2. canvas ii. paper m. Ribbon iv. none of these

 

  1. This tool is used to draw a line.
  2. Line tool ii. Pencil tool m. Brushes tool iv. all of these

 

  1. This option is used to select the width of a tool.
  2. Brushes ii. Color m. Size iv. Thickness

 

  1. This tool is used to select different kinds of brushes.
  2. Line ii. Brushes m. Shapes iv. Curve

 

  1. This dialog box appears when you choose the Save option to save the drawing

for the first time. V-1

  1. Open as ii. Keep as m. Save as iv. Store as

 

  1. a. iii
  2. iv
  3. iii
  4. ii
  5. iii

 

Ch:7 DRAWING IN MS PAINT         P:61-72

EXERCISES

  1. FILL IN THE BLANKS WITH THE CORRECT WORDS.

Magnifier Text Eraser Select Curve

  1. The ……………… .. tool is used to draw curved lines.
  2. The …………. .. tool is used to rub out any part of the picture.
  3. The ……….. .. tool is used to type text in a drawing.
  4. The ………….. .. tool is used to select any part of the drawing.
  5. The ……………… tool is used to zoom in on any part of the drawing.
  6. a. Curve
  7. Eraser
  8. Text
  9. Select
  10. Magnifier

 

  1. WRITE T FOR THE TRUE STATEMENTS AND F FOR THE FALSE ONES.
  2. The Curve tool can be used to draw straight lines. ………. ..
  3. You can use the Polygon tool only to draw a square. ……….
  4. The Color picker tool is used to set the current foreground or background colour. ………. ..
  5. The Fill with color tool makes the drawing colourful. ………. ..
  6. The Rectangular selection tool helps select a circular part of the drawing. ………. ..
  7. a. F
  8. F
  9. T
  10. T
  11. F

 

  1. NAME THE FOLLOWING.
  2. This tool is used to make a shapie with any number of sides. ……………………. ..
  3. This tool is used to fill colour in a closed drawing. ……………………. ..
  4. This tool is used to select a part of the drawing. ……………………. ..
  5. This tool is used to zoom in on a part of the drawing. ……………………. ..
  6. This tool is used to set the current background colour. ……………………. ..
  7. a. Polygon
  8. Fill with Color
  9. Select
  10. Magnifier
  11. Color 2

 

  1. Name five ready-made shapes that can be drawn in Paint.
  2. Rectangles, ovals, triangles, arrows, and hearts are five ready-made shapes that can be drawn in Paint.

 

  1. What do you do to select an irregularly shaped part of the drawing?
  2. To select an irregularly shaped part of the drawing, click on Free-form selection, and then drag the

pointer to select that part of the drawing.

 

  1. Which tool is used to make a drawing look bigger? E
  2. A drawing can be made to look bigger by using the Magnifier tool.

 

  1. What is the Color picker tool used for?
  2. The Color Picker tool is used to set the current foreground or background colour by selecting a colour from the picture that is currently open in Paint or is being drawn in Paint.

 

8- CIRCLE THE CORRECT OPTION.

  1. Which of these is a ready-made shape?
  2. lightning bolt ii. car m. tree iv. none of these

 

  1. This tool is used to rub out part of the drawing.
  2. Brushes ii. Pencil m. Eraser iv. Color

 

  1. The ………….. tool is used to fill an enclosed area with the selected colour.
  2. Fill with color ii. Pick color m. Color all iv. none of these

 

  1. To select everything in the picture except for the currently selected area, click

on ………………………. .. .

  1. Revert selection ii. Invert selection m. See selection iv. none of these

 

  1. This tool is used to zoom in on a part of the drawing.
  2. Eraser ii. Magnifier m. Pick iv. Fill with color

 

  1. a. i
  2. iii
  3. i
  4. ii
  5. ii

 

 

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