Class 2 - Term 2 - PRIME YEARS

Contents 1. Computer [Input-Output] ......... 152 2. Starting to Type ....................... 156 Class 2 Term 2

152 Computer (Input - Output) Computer is like our brain. Instructions that we give to a computer are called input. Input can be a picture, or written text. Mouse, keyboard, and scanner are some common input devices for a computer. They tell a computer what to do. What a computer does with the input and shows us is called the output. It is what we get from the computer. Printer, monitor, and speaker are some common output devices for a computer. CPU

153 Input Devices Keyboard: A keyboard contains many keys: 1. Alphabet keys – used to type words 2. Number keys - used to type numbers 3. Enter key - to finish inputs 4. Space bar - Used to give space between words Alphabet keys Number keys Enter key Enter key Space bar Mouse: We can do 5 things with a mouse- Right click, left click, double click, click drags and scroll. left click Right click Scroller

Scanner: It scans documents, which can then be stored in a computer. Output devices Printer: It prints and sends out processed data from the computer. Monitor: It displays the processed results. Speaker: Through speakers, we input & output audio commands. We can communicate with people sitting away from us with the help of a computer. 154

1. Strike off the wrong word out: a. Printer is an (input/output) device b. Keyboard is an (input/output) divice c. Mouse can be (dragged/cannot be dragged) c. Monitor is used to (read the result/copy the result) 2. What are the following used for? a. Scanner b. Printer c. Monitor 3. Label the parts of a keyboard: a. Number keys b. Letter keys c. Enter key d. Spacebar e. Capital lock f. Arrow keys 155 4. Label the input & output devices:

Starting to Type Facts to learn before typing: Pointer, cursor, insertion point l When you move the mouse, the pointer moves around on the screen like an arrow. l Bring the pointer to where you want to start typing and click. This is the insertion point. l The pointer now takes I shape. This is called cursor. l You can move the cursor anywhere by clicking and moving the mouse. cursor Pointer insertion point 156

157 To type the following : Hello! My name is……… What is your name ?

l Click on start: The pointer is now on start. Click the mouse. l A list appears. l Move the pointer to programmes. l Another list appears. l Bring the pointer to Microsoft Word. And click the mouse. l A blank screen opens up. l Move the pointer to the place where you want to type. Click the mouse. The pointer now changes to cursor. l Press on shift key with the left hand finger and press on ' ' key. H l Capital ' ' appears on the screen. H l Release the left hand finger. Type the other letters e, l, l, o in small letters. l Again press shift key with left hand finger and press on number ' ' 1 key on the top. The ' ' mark appears after ' ' on the screen. !  l Tap the space bar. The cursor moves one space. l Press enter key; cursor moves down. 158

159 Assignment: Read the instructions and follow them when you actually use the computer. l Press the shift key with left hand finger and Press ' ' key. M l Capital ' ' appears on the screen M l Release the left hand finger and type ' '. y l Tap the space bar and press n, a, m, e keys. l Follow the same procedure to type your name. Hello! My name is Arun What is your name?

1. What is the difference between pointer and cursor? How do they look? Draw them . 2. What is insertion point? 3. Which key do you press to type capital letter? 4. What is a space bar used for? 160 1. When you move the mouse, the pointer moves like an ____________. 2. When pointer takes I-shape, it is called _____________. Write the programme for typing “My name is Roshan”