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1C H A P T E R COMPUTING MACHINE INTRODUCTION Lakpa and Dolma are very close friends. They are talking about the machine. Dolma : Hello Lakpa, look, What is this ? Lakpa : This is a machine. It is called computer. Dolma : What can a machine do Lakpa ? Lakpa : Machines can do many things. Around us there are different kinds of machines. They help us in different works and make our work easier. Let's look, here are some machines, they can do our work? Smart Computer Science Book-1 Page 1

SOME MACHINES Machines are man made things that make our work easier. They do our work fast and save time. Let's see here are some machines. Crane Crane helps us to pick up heavy load and transport it in other places. Juicer Juicer is a simple machine. It is also known as juice maker. It helps us to make juice from fruits, herbs, leafy greens and other types of vegetables. Refrigerator Refrigerator helps us to keep food cool. People put food and drinks in it to keep them co and fresh for a long time. Page Computing Machine 2

Bus Bus is a machine. It takes us from one place to another place. We go to School using bus. Camera Camera helps us to take picture. Movie cameras record moving pictures. These moving pictures are called movie, film, and video. USE OF COMPUTERS Dolma : Lakpa, can you say something about the computing machine? Lakpa : Why not, of course! Computer is a smart machine. We can see computer in different places. It is used for different purposes. Let's look at the following pictures: Smart Computer Science Book-1 Page 3

Hospital Railway Office Shop School Research Page Computing Machine 4

Dolma : Oh! Really computer is a very smart machine, What can we children do in computer, Lakpa? Lakpa : We can do many things, Dolma. Look at the pictures: Play games Draw pictures Listen to music Send e-mail Page Smart Computer Science Book-1 5

Type documents Use internet Watch movies Solve sums Page Computing Machine 6

Points to Know • Computer is a machine. It runs with electricity. • Machines help us in different work. It makes our work easier and faster. • We can see computers in different places such as hospital, transportation, office, shop, school, research center, etc. for different purposes. • Students can use Computer for : • playing games, • drawing pictures, • listening music, • sending e-mail, • typing document, • using internet, • watching movies and • solving sum Terms to Know Computer : Machine used in almost every where to do work easily and quickly. Electronic machine : Machine operating with microchips and transistors that control and direct electric currents. Investigation : Process of finding something new. Deposit : Money kept in the bank account. Storage : Capacity to hold something for long time. Information : Facts or details about something. E-mail : Messages sent using computer to different people. Document : Collected information in printed or digital form. Smart Computer Science Book-1 Page 7

Worksheet Objective Questions 1. Look at the pictures carefully and write 'M' for machines and 'N' for others: Page Computing Machine 8

2. Fill in the blanks with suitable Word: load cool machine sums games work a. Computer is a smart ............................. b. Machine makes our ............................. easier and faster. c. You can play ........................ on the computer. d. Computer can solve your ....................... e. Refrigerator helps us to keep food ...................... f. Crane helps us pick up heavy ............................... 3. Write 'T' for true and 'F' for false statements: a. Juicer helps us to make juice. b. Crane helps us to pickup heavy load. c. Computer is a dull machine. d. You can type document on the computer. e. Machines are man-made things. f. Machines take more time to work. Smart Computer Science Book-1 Page 9

4. Match the sentences with the picture: a. It takes us from one place to another place. b. It helps us to take pictures. c. It helps us to pick up heavy load. d. It helps us to keep food cool and fresh. e. It helps us to wash clothes. f. It helps us to draw pictures. g. It helps us to make juice. h. It helps us to stitch the paper. Page Computing Machine 10

Descriptive Questions 1. Answer the following questions: a. What is a machine ? Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... b. What is the computer ? Ans : .................................................................................. ........................................................................................... ........................................................................................... ........................................................................................ c. What does a machine do for us ? Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... Smart Computer Science Book-1 Page 11

d. How does a bus help you ? Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... e. List out the places where the computers are used. Ans : .................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... f. What can you do with the computer ? Ans : ................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... .......................................................................................... Page Computing Machine 12

Application Based Case Study Questions 1. Let's see the pictures and write about the activities shown in the picture: a. Ans : ..................................................... ............................................................. ............................................................. ............................................................. b. Ans : ..................................................... ............................................................. ............................................................. ............................................................. c. Ans : ..................................................... ............................................................. ............................................................. ............................................................. Smart Computer Science Book-1 Page 13

d. Ans : ..................................................... e. ............................................................. ............................................................. f. ............................................................. ............................................................. Page Ans : ..................................................... ............................................................. 14 ............................................................. ............................................................. ............................................................. Ans : ..................................................... ............................................................. ............................................................. ............................................................. ............................................................. Computing Machine

2. Look at the children and write what they are doing in com- puter: Smart Computer Science Book-1 Page 15

Activities 1. Arrange the class into three groups: a. Discuss about the following pair of pictures with your teacher: b. Organize speech program on the following pair of pictures: Project Work 1. Find around your locality and make a list of any five machines, draw pictures and write their work. 2. Watch the following video clips and prepare the project work on the basis of this chapter. Page Computing Machine 16

2C H A P T E R PARTS OF COMPUTER INTRODUCTION Lakpa and Dolma are talking about the parts of the computer. Let's see, how they talk. Dolma : Hello Lakpa, I am eager to know how a computer works. Can you tell me? Lakpa : Why not Dolma, of course I tell you. Our body has different s s organs such as hands, s mouth, legs, head, eyes etc. These organs together form Feet our body. Each organ of the body has particular function, that you know. Computer has also different Smart Computer Science Book-1 Page 17

parts. These parts together form the computer system. Each computer part has its unique function. Look at the picture of computer system. Monitor CPU Speaker Keyboard Mouse Dolma : Oh Lakpa, It's interesting, please tell me, What are the special functions of each part of the computer? Lakpa : Of course, let's listen, I will tell you one by one. KEYBOARD Look, It is a keyboard. It is an input device. It is used for typing text, numbers and special symbols. It has different keys to type. Page Parts of Computer 18

MOUSE Look, this is a mouse. It looks like real mouse. It is called pointing device or input device. It has two buttons and a small long tail. It helps to draw pictures, point things, click and move objects on the monitor. CPU Look here, It is a CPU. CPU stands for Central Processing Unit. It is a processing device of the computer. It is said to be the brain of the computer. It controls all the other parts of a computer. It helps the computer to remember things. MONITOR Page This is a computer monitor. It is an 19 output device. It looks like a television set. Monitor displays task that you do on the computer. Words and pictures can be seen on the monitor. You can also see cartoon, movies on the Smart Computer Science Book-1

monitor. SPEAKER Look at the picture. It is a speaker set. It is also an output device. It is used to listen to music on the computer. PRINTER This is a printer. It is an output device. It is used to print text, umbers and pictures on paper. Dolma : Wow! So interesting, thank you very much , Lakpa . Lakpa : You are welcome Dolma. Page Parts of Computer 20

Points to Know • Computer has different parts as our body organs. • Keyboard is an input device. It is used for typing text, numbers and special symbols. • Mouse is called a pointing device or input device. It helps to draw pictures, point things, click and move objects on the monitor. • CPU is a processing device. • CPU is said to be the brain of the computer. It controls all the other parts of the computer. • Monitor is an output device. It looks like a television set. Monitor displays task that you do on the computer. • Speaker is an output device. It is used to listen to music on the computer. • Printer is an output device. It is used to print text, numbers and pictures on paper. Terms to Know Output : Anything viewed on your computer monitor screen. Device : A Computer part. Processing : Finding result. Input : Anything entered in the computer. Smart Computer Science Book-1 Page 21

Worksheet Objective Questions 1. Fill in the blanks with suitable Word: printer speaker CPU pointing monitor a. Computer .............................. looks like television set. b. The ..................... is the brain of the computer. c. Mouse is a ......................... device. d. The ......................... stands for Central Processing Unit. e. The .............................. is used to listen to music. f. The .......................... is used to print text, numbers and pic- tures on paper. 2. Write 'T' for true and 'F' for false statements: a. Keyboard is a typing device. b. Mouse is an input device. c. CPU is a pointing device. d. Printer is an output device. e. Monitor is an output device. f. Speaker is an output device. Page Parts of Computer 22

3. Look at the following pictures and label with INPUT, PROCESSING or OUTPUT. Smart Computer Science Book-1 Page 23

4. Match the following. a. I display things. b. I type text. c. I draw picture. d. I play music. e. I print on paper. f. I find sum. Page Parts of Computer 24

Descriptive Questions 1. Answer the following questions: a. Why do you use the keyboard? Ans : ................................................................................. ........................................................................................... ........................................................................................... ........................................................................................... b. Why is the mouse called pointing device? Ans : ................................................................................. ........................................................................................... ........................................................................................... ........................................................................................... c. Why is the CPU called brain of the computer? Ans : ................................................................................. .......................................................................................... .......................................................................................... .......................................................................................... Smart Computer Science Book-1 Page 25

d. What does the monitor do? Ans : ................................................................................. .......................................................................................... .......................................................................................... e. Why do you use the speaker? Ans : ................................................................................. .......................................................................................... .......................................................................................... f. What is the CPU? Ans : ................................................................................. .......................................................................................... .......................................................................................... g. What is the printer? Ans : .................................................................................. .......................................................................................... .......................................................................................... Page Parts of Computer 26

Analytical Case Study Questions 1. Jabed Khan has prepared a project work document. He has to submit it in printed form. Which device do you suggest to print out the project work ? Ans : ................................................................................. .......................................................................................... ........................................................................................... 2. Raghubir Mahaseth has to draw drawing and paint in the computer. For this task, which device would Raghubir use ? Ans : ................................................................................. .......................................................................................... ........................................................................................... 3. Valakattha Katuwal is working daily on the computer for a long time. Some times he feels very boring, in this case he likes to play music video. Which device would Valakattha use in this case.? Ans : ................................................................................. .......................................................................................... .......................................................................................... Smart Computer Science Book-1 Page 27

4. Look at the numbers on the pictures and write the name of device in cross-word puzzle. 3 6 6 5 5 1 2 4 4 1 2 3 Page Parts of Computer 28

5. Circle the words in the word search puzzle and number the puzzle. r s x y i oy vwr q t Kz j pzuxp pueakqa t yk ovyb l rbszs nwb cms c r y d mM o u S e d q x k l oaCpuepw l kn r de t f ovz j i d e a u g n um i t a f k v hm t n hobgew i l s o g r cPr i n t e r f edhnx j k r q 1. Monitor Page 2. Printer 3. Speaker 29 4. Keyboard 5. CPU 6. Mouse Smart Computer Science Book-1

Activities 1. Visit your School's Computer Lab and make a list of computer parts and discuss in group. Project Work 1. Make a beautiful drawing on chart paper for the class deco- ration. You can watch the given video for drawing concept as for help. Page Parts of Computer 30

3C H A P T E R STARTUP COMPUTER INTRODUCTION Lakpa and Dolma are in the computer lab. They are going to startup a computer to do something. Lakpa is going to tell important things about what not to do in the computer lab. Dolma : Lakpa ! Now, are we going to start computer ? Lakpa : Yes, Let's start the computer. Before starting up the computer, we should know the manners that we must follow in the computer lab. Dolma : Oh! What are these manners Lakpa? Tell me. Lakpa : Let's look at the following pictures that show what we must follow in the computer lab. Smart Computer Science Book-1 Page 31

Entering the class room. Sitting in front of the computer straightly. Keeping the computer room clean. Page Listening to our teacher. 32 Startup Computer

Working together Do not talk in the Computer Lab. Do not bring any things to eat. Do not play in the computer lab. Smart Computer Science Book-1 Page 33

Do not destroy any computer parts. Dolma : Thank you Lakpa. You taught me manners we follow in the computer lab. I always follow these manners. START AND SHUTTING DOWN A COMPUTER Now, after knowing the important computer manners, Lakpa and Dolma are going to start and shut down the computer. Let’s learn how to start and shut down the computer. Dolma : Yes Lakpa, I understood the computer lab manners. Now, help me how to start up computer. Lakpa : Ok Dolma, I must help you. There is a right way to startup the computer, Please follow the following instructions shown in the pictures. Page Startup Computer 34

Step-1 : Switch 'on' the power switch. Step-2 : Switch 'on' the UPS. Step-3 : Switch 'on' the CPU. Step-4 : Switch 'on' the monitor. Now following screen appears on the monitor that is called desktop. Smart Computer Science Book-1 Page 35

Dolma : Thank you Lakpa, I always follow these steps in right way to startup the computer. Lakpa : As right way of starting up the computer, we must follow the right way to shutting down the computer. Let's look how to shut down the computer in right way. Step-1 : Using the left mouse button, click on the ‘Start button’. Then click on ‘Shut down’. option. Page Startup Computer 36

Step-2 : Switch 'off' the monitor. Step-3 : Switch 'off' the UPS. Step-4 : Switch 'off' the main power switch. Points to Know • You should follow the correct steps for starting up and shut down a computer. • You must follow rules of computer Lab. • Don't misuse computer and computer's parts. • You must maintain your discipline in computer lab. Terms to Know Shut down : Close the computer. Switch : Electric Power controller. Desktop : Screen seen after starting up the computer. Instruction : Order to work. UPS : Power supply device used in sudden power cut off. Smart Computer Science Book-1 Page 37

Worksheet Objective Questions 1. Make tick mark for correct and cross for incorrect pictures. Page Startup Computer 38

2. Match the following steps to start up the computer with suitable picture: Step-1 Step-2 Step-3 Step-4 Step-5 Page Smart Computer Science Book-1 39

3. Match the following steps to shut down the computer with suitable picture: Step-1 Step-2 Step-3 Step-4 Step-5 Startup Computer Page 40

Analytical Case Study Questions 1. Look at the following pictures and comment about their activities : Ans : ..................................................... ............................................................. ............................................................. ............................................................. ............................................................. Ans : ..................................................... ............................................................. ............................................................. ............................................................. ............................................................. Ans : ..................................................... ............................................................. ............................................................. ............................................................. ............................................................. Smart Computer Science Book-1 Page 41

Ans : ..................................................... ............................................................. ............................................................. ............................................................. Ans : ..................................................... ............................................................. ............................................................. ............................................................. Ans : ..................................................... ............................................................. ............................................................. ............................................................. Ans : ..................................................... ............................................................. ............................................................. ............................................................. Page Startup Computer 42

2. Look at the following pictures and comment about their activities. Ans : ................................................................................. ........................................................................................... ........................................................................................... .......................................................................................... .......................................................................................... Ans : ................................................................................. ........................................................................................... ........................................................................................... .......................................................................................... .......................................................................................... Smart Computer Science Book-1 Page 43

Entering Lab Entering Lab Ans : ................................................................................. ........................................................................................... ........................................................................................... .......................................................................................... .......................................................................................... Ans : ................................................................................. ........................................................................................... ........................................................................................... .......................................................................................... .......................................................................................... Page Startup Computer 44

Ans : ................................................................................. ........................................................................................... ........................................................................................... .......................................................................................... .......................................................................................... Ans : ................................................................................. ........................................................................................... ........................................................................................... .......................................................................................... .......................................................................................... Smart Computer Science Book-1 Page 45

Activities 1. Visit your school's computer lab and make a group discussion and organise a speech competition in the class about these given two pictures. Project Work 1. Misri Lal Yadab has prepared a chart paper for the computer lab • Walk in que. • Don't throw garbage decoration as given. Like Misri • Take off your shoes. in computer table. Lal, you also • Avoid eating. make a beautiful chart paper for • Follow the teacher. • Avoid siting close to your computer • Sit straight. monitor. • Use computer gently. • Don't make noise. • Don't move computer. • Cover the computer. lab decoration in Happy Practice !! the same topic. Page Startup Computer 46

4C H A P T E R KEA COLORING BOOK INTRODUCTION Lakpa : Hey Dolma, we studied that we can draw and paint drawing in computer but how to do it? Dolma : Oh! We may use drawing and painting software for this task. 'Kea Coloring Book' is a simple drawing and painting software for us. Lakpa : Wow! Do you have any idea ? I am interested to learn. Dolma : Sure Lakpa, Let's learn how to use this software. The Kea Coloring Book is a fun coloring book game that lets kids color in coloring pages using a bucket fill, freehand brush, or the special magic brush. There are lots of colors to choose from color palettes and we can mix colors, just like real paint. Smart Computer Science Book-1 Page 47

STARTING KEA COLORING BOOK Step-1 : Double click in the shortcut icon of 'Kea coloring Book' from desktop. Or Step-2 : Type Kea coloring Book in Search box. Step-3 : You get Kea coloring Book App. Step-4 : Just click on it. Title Color Page Buttons Buttons Color Palette Tool Size Tools Color Mixing Tray Page Kea coloring book 48

PAINT BUCKET TOOL The paint bucket fills an area of the picture with color. To use this tool, follow the following steps: Steps to Follow : Step-1 : Select Bucket Tool and dip it into the paint on the palette or the mixing tray to choose a new color. Step-2 : Move your pointer towards the area where you fill and click once. Lab Activities 1. Find the following drawing and fill the color as given using Paint Bucket Tool. Smart Computer Science Book-1 Page 49

BRUSH TOOL The paint brush lets you coloring page with paint strokes. Steps to Follow : Step-1 : Select Brush Tool and dip it into the palette or mixing tray to choose a new color. Step-2 : Move your pointer towards the area where you paint then click and drag for painting. Lab Activities 1. Modify the given drawing by painting as given using Brush Tool. Page Kea coloring book 50