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INSIDE THE SERIES



                  The key features of the series have been designed to ensure better learning and assessment.



                    Learning Resources




                                                  Let's Surf provides
                        1   Evolution of Computers  an overview of the                        3       Formatting a
                                                   chapter contents.                                  Presentation
                      Let’s surf
                        Early Counting Tools                           Let's Plug-in links
                         Pascaline Adding Machine    Abacus—First Calculating Device
                                    Leibniz Step Reckoner                                     Let’s surf   Working with Slide Master
                                                                        back to previous        Animations
                         Charles Babbage’s Analytical Engine                                             Inserting SmartArt
                                    Lady Ada Lovelace’s Programs                               Applying Themes
                         Herman Hollerith’s Tabulating Machine
                                   Computer Generations                                        Changing the Background    Slide Transitions
                         Let’s PLug-in                                                                        Century  21 st  Skills  #Critical Thinking
                                      Century  21 st   #Information Literacy  knowledge before   Let’s PLug-in
                                       Skills                                                 You have read about the slide layouts in previous class. Write down the names of the
                      Write down the names of the things used for counting in these pictures.
                                                                       starting the lesson.   following layouts.
                                                                                                1. ___________  2. ___________  3. ___________

                                         1.  _________________           2.  _________________   3.  _________________
                      When you count on your fingers, you can count to a limit only after which you will be tired to
                      count more. But do you know how early people used to count when there were no computer
                      or calculator?                                                                       5. ___________
                                                                                               Slide layout helps in the appearance and setting of the slides. In this chapter, we will learn
                                                                                                    4. ___________
                                                                                               about how we can format slides and the proper use of Slide Master in presentation.
                     We have  learned  about computer  and its parts in  previous classes. You know  about  the
                     devices which are used along with a computer to work properly. But have you ever thought
                     how it was invented and which was the first ever computer that came into existence? Let us
                    read about these devices in this chapter.                                   APPLYING THEMES
                                                                                              A  theme is an in-built  feature  which offers  you a quick  way of changing the layout  and
                      EARLY COUNTING TOOLS                                                    background design of the presentation that you have created. Each theme has its own set of
                                                                                              colours, fonts and effects.
                                                                                               To apply themes to your presentation, open PowerPoint and follow the given steps:
                    Since ancient times, people have invented tools for calculations. Early man tied knots in a rope
                    and carved marks on clay to keep the records. They also used to count with the help of fingers,
                                                                                               Step 1:  Click on Design tab.  Formatting a Presentation  35
                    toes, pebbles, stones, sticks, bones, etc.
                                     Evolution of Computers  7
                                                  Tech Fact             Factopedia adds
                                                presents a fact      excitement to learning
                                      Tech Hint  about the topic.                            FACTOPED IA  LET’S CATCH U P
                                    To check spellings: F7             by providing some              1.  You can keep me on your lap
                                                                                                      Read the below hints and write down their names:
                                                                        more interesting              2.  I am an ancient tool for calculation    ___________
                                                                                                                ___________
                                                                                                      3.  Blaise Pascal is my father
                                             Spell Check                                     Grammar Check  Tech Fact  information.   The Apple II computer   4.  You can keep me on a desk   ___________

                                                                                                                ___________
                                                                                              had a hard drive of
                                                                                              only 5 megabytes
                                    Synonym is a word having
                     THESAURUS     the same or nearly the same                                when it was released.  LET’S BACK-UP
                   Thesaurus is a collection of words with their synonyms.   meaning as another word of
                   In Word, Thesaurus tool gives us a list of synonyms for a   the same language.        Early people tied knots in a rope and carved marks on
                    selected word.                                                            There is special   clay to keep the records.
                    To use Thesaurus tool, follow the given steps:  2                        Braille technology       ABACUS was the first calculating device invented 3000
                                                                                                     years ago in China.
                    Step 1:  Select the word.                                                and accessories for       Blaise  Pascal  invented  the  calculating  machine  called
                    Step 2:  Click on Review tab.                                             cell phones.
                                                                                                     Pascaline.
                                                                                             blind people to use
                    Step 3:   Click on the  Thesaurus  tool  3                                           Step Reckoner, the first calculator that could perform all
                      under Proofing group.                                                          four  arithmetic  operations,  was  invented  by  Gottfried
                      The Thesaurus pane opens on   1                                                Wilhelm Leibniz in 1672.
                      the right side of the window. It                                                  Analytical  Engine,  the  first-ever  working  model  of
                      displays a list of synonyms for   4                                           a  mechanical  computer,  was  invented  by  Charles
                      the selected word.                                                            Babbage, who is known as ‘the Father of Computer’.
                    Step 4:   Click  the down arrow  and                                                Lady Ada Lovelace was the first computer programmer.
                      select Insert or Copy.                                                Photo Stick is a small       Herman Hollerith’s Tabulating Machine read and stored
                                                                                                    data from punched card.
                                      Tech Hint                                             USB drive designed to
                                     To open Thesaurus:                                    and videos. It contains       In 1980’s, Very Large Scale Integration (VLSI) came into
                                                                                            back up your photos
                                                                                                        Mark-I was the first electro-mechanical computer.
                                       Shift + F7                                          a software that scans   existence in which thousands of transistors were placed
                                                    Tech Hint                               your computer for   on a single chip.
                                                                                           photos and videos and       The present computer took its shape in five generations.
                                                                                           automatically saves
                      FIND AND REPLACE TEXT
                                                                                                   schools and shops.
                     In Word, we use Find command to search for a word/words in a document. The Replace   provides a tip to   them.       A tablet is a notebook-shaped mobile computer.
                                                                                                       Desktop can be seen at various places such as homes,
                     command replaces a specific word or text with another word/words in a document.
                                                                                                       A laptop is smaller than a desktop computer.
                                    Advanced Features of Word 2016  21  help the students   14  Plus (Ver. 2.2)-V      A smartphone is a mobile phone that can be used as a
                                                                                                   computer also.
                                                     in the lab.
                                                                            Step 2:   Click on Home tab.
                                                                                                3
                                                                           Step 3:   Click on Line and Paragraph Spacing  2
                                                                             tool in Paragraph group.
                          Step 10   Read the privacy and terms carefully. Then Click on the I agree button.   Step 4:   Hover  your  mouse pointer on  the   Let's Back-Up
                                                                             various  line  spacing options. The
                                                                                                       provides a summary
                          This will open the welcome screen of your Gmail account.
                                                                                                   4
                                                                             paragraph  will show the  preview
                                                                             of the line spacing. Choose the line
                                                                             spacing you want.
                                                                                                        of the chapter for
                                                                                        1
                                                                                                       quick recapitulation.
                           Tech Fact
                         In case you forget your
                         password, then the mobile   Migratory birds navigate with
                                    magnetic fields, just as the
                        number you have entered will
                                    Internet routes data through

                                     different networks.
                        help you to reset your password.
                                                                                                            After 1.5 spacing

                        Signing In                                                                            After 2.5 spacing  Think Tank
                                                Natural Fact despite          Suppose, you could create your school magazine using Word 2016. What articles,
                      You can access your e-mail account anytime by following these steps:
                      Step 1:  Double-click on the Web browser icon.
                                                                              you use to make it engaging?
                                                                              interviews, and features would you include, and which page orientation would
                      Step 2:    Type  www.gmail.com in the  address
                        bar of the browser window and press
                        Enter key.                                          Paragraph Spacing        encourages students
                                                  children living in
                      Step 3:    Click on  Sign in button  on the  top
                        right-hand of the browser window.
                                           4                              steps:                     to explore innovative
                      Step 4:    In  the E-mail  or  phone field, enter
                                                                          Paragraph spacing means the amount of vertical space between paragraphs. The spacing
                       username of the e-mail address that
                       you have created.          a digital era, this
                                                                          between paragraphs is measured in points. To change paragraph spacing, follow the given
                                           5                              Step 1:   Place the cursor in the paragraph. If
                     Step 5: Click on Next button.                         you want to change the spacing in   2  3  ideas and think
                                                  section connects         several paragraphs, select them.
                       and click on Next button.                         Step 2:   Click on Layout tab.  4  beyond conventional
                     Step 6:   In the Password field, enter the password you had created for your e-mail account
                                                   them to nature.         group.                           topics.
                     All your e-mails are visible in the Web browser window.
                       Sending an E-mail                                 Step 3:    Click on the Before and After spin
                                                                           boxes  under spacing in Paragraph
                                                                         Step 4:    Click on the arrows in the spin boxes
                     You have created an e-mail account. Now, you want to send an e-mail to your friend. You
                     e-mail address, follow these steps:
                                                                           below Spacing to choose the required
                     need to take the e-mail address of your friend before sending the e-mail. After getting the
                                                                           spacing.
                                                                                            1
                     Step 1:    Click on Compose button on the top left corner of your Web browser
                                                                         26  Plus (Ver. 2.2)-V
                       window, to create and type a new E-mail.
                                      Internet and E-mail  83
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