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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

