COMPUTER BASICS

Ambassador School
Inspire Inquire Innovate
Computer

Literacy Program

Page No. 1

COMPUTER HARDWARE
Computer field is divided into:
SOFTWARE:
Software field deals with working on computer, computer operators, computer
programmers
HARDWARE:
Hardware fields deals with repairing of computer, computer engg.
WORKING PRINCIPLE OF COMPUTER
Computer works on principal of
INPUT  PROCESS OUTPUT
FOR EXAMPLE:
If you type 2+3, then you have to type this at keyboard, (SO KEYBOARD IS INPUT
DEVICE, since you are giving input to computer. )
The output that is sum “5” will come on monitor (SO MONITOR IS OUTPUT
DEVICE)
The process of addition is done by C.P.U.( CENTERAL PROCESSING UNIT, SO IT
IS PROCESSING DEVICE)
PARTS OF COMPUTERS

COMPUTER HAS FOUR MAIN PARTS
1) INPUT DEVICE : It is used to input data to computer, example keyboard,
mouse and digital pen.

1

2) PROCESSING UNIT : It is used to do all calculations and decision making
if any.
The inside of CPU is divided into 3 main parts
DATA FLOW DIAGRAM

CONTROL UNIT

KEYBOARD A.L.U MONITOR

(AIRTHEMETIC LOGIC UNIT)

MEMORY

Control unit : It controls all the input out put operations and devices
A.L.U. unit : It does all arithmetic Logic process
MEMORY unit : It stores all the data
INSIDE OF CPU BOX

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3) MEMORY UNIT : It is used to store the data of computer: It is categorized
into two type
a. PRIMARY MEMORY
i. R.A.M (RANDOM ACCESS MEMORY
It is a chip inside computer, it starts working when computer
starts and goes off when computer is switched off, so it is a
temporary memory. Whatever comes on computer screen is on
R.A.M. and if we do not save our work, and monitor switches
off then all work will go away as R.A.M loses data being a
temp. memory.

b. SECONDARY MEMORY
i. Hard disk: It is a permanent storing device which is fitted
inside computer, what ever work we do on computer that by
default goes into hard disk. It is non portable storing device.

ii.OPTICAL DRIVE: It is a optical drive since it is based on laser
technology. It is portable device, It is of many types like CD ROM,
DVD ROM

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iii. PEN DRIVE : It is a USB based storing device, which is
portable and easy to access and reliable

PEN DRIVE
4. MONITOR : As the output is shown on monitor so it is storing

device. It is of two types
a. C.R.T. (CATHODE RAY TUBE) . It is a bulky device
works on CRT technology

L.C.D (LIQUID CRYSTAL DISPLAY). It is a slim device works on
L.C.D. technology.

4

NETWORKING
Networking is the way by which computers are connected together to
share resources like optical drive, printers internet etc.

When computers are connected in small area like a lab or a small building
or two buildings of same campus it is called LOCAL AREA
NETWORK ( L.A.N)
When computers are connected in large area like a big building or diffent
building of a city or near by cities, it is called WIDE AREA NETWORK
(W.A.N.)
INTERNET :
Internet is bigger form of W.A.N. where millions of computers are
connected together to share information.
USES OF INTERNET
Internet is used to extract information regarding any thing, it is used to
send and receive emails and share contacts.
EXTRACTING INFORMATION
The search engine like GOOGLE YAHOO SEARCH , MSN SEARCH are used to
extract or search information on internet.
SENDINING AND RECEIVING E-MAIL
Email is send and received using mail servers like YAHOO.COM, GMAIL.COM,
REDIFFMAIL.COM etc

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SHARING PERSONAL CONTACTS
We share personal contacts and pictures and events with our friends in SOCIAL
NETWORKING SITE like ORKUT, FACE BOOK, etc
SOFTWARES are divided into
OPERATING SYSTEM
WINDOWS 95
WINDOWS 98
WINDOWS 2000
WINDOWS XP
WINDOWS VISTA
All are MICROSOFT operating system.
LINUX
UNIX
SOLARIS

These are other then Microsoft operating system
SOFTWARE PACKAGE
WORD PROCESSORS: Microsoft word, word perfect, word star
SPREAD SHEETS: Microsoft excel, lotus 123
DATA BASE: Microsoft access, oracle
UTILITY SOFTWAREES
Anti virus: QUICK HEAL, AVG etc

6

OPERATING SYSTEM
WHEN WE START COMPUTER THE OPERATING SYSTEM GETS LOADED
AUTOMATICALLY.
The first screen which appears on starting of computer is called

DESK TOP.

TO CHANGE BACGROUND / DESKTOP PICTURE
Right click on desktop
Choose properties
Choose background
Choose picture from list
Click at ok

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TO SET SCREEN SAVER
Right click on desk top
Choose properties
Choose screen saver
Click at screen saver box
Choose a screen saver
Set the time in timer
Click at ok

8

Changing date and time
Double click at the date displayed at bottom right corner of screen
Set the date and time
Click at ok

9

10

MICROSOFT WORD :

TO START WORD
1. CLICK AT START, PROGRAMMS,
MICROSOFT WORD

TO CREATE A NEW FILE
CLICK AT NEW
CLICK AT BLANK DOCUMENT

TO SAVE A FILE
CLICK AT FILE
CLICK AT SAVE
TYPE A FILE NAME
CLICK AT SAVE

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TO CLOSE A FILE
CLICK AT FLE
CLICK AT CLOSE

TO OPEN A FILE
CLICK AT FILE
CLICK AT OPEN
TYPE A FILE NAME
CLICK AT OPEN

TO EXIT WORD
CLICK AT FILE
CLICK AT EXIT

CREATING TABLE
CLICK AT TABLE
CLICK AT INSERT TABLE
SET NO. OF ROWS AND COLUMNS
CLICK AT TABLE AUTO FORMAT
CHOOSE A STYLE OF TABLE
CLICK AT OK

TO TYPE DATA INTO TABLE
USE TAB KEY TO MOVE TO NEXT CELL
USE ALT TAB TO MOVE TO PREVIOUS TAB

ITEM NAME QUANTITY PRICE AMOUNT STATE TAX STATE
medicine 20 350 7000 336 HP
grossery 27 270 7290 UK
food item 49 120 5880 349.92 UK
cosmectic 74 75 5550 282.24 MP
toys 24 150 3600 UK
books 87 75 6525 266.4 HP
stationary 34 80 2720 172.8 HP
sports gear 76 85 6460 313.2 UK
garments 47 270 130.56 UK
12690 310.08
609.12

TO INSERT A ROW
CLICK ON THE ROW TO BE INSERTED
CLICK AT TABLE
CLICK AT INSERT
CLICK AT ROW BELOW OR ABOVE

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TO INSERT A COLUMN
CLICK ON THE COLUMN TO BE INSERTED
CLICK AT TABLE
CLICK AT INSERT
CLICK AT COLUMN TO RIGHT OR LEFT

ITEM NAME QUANTITY PRICE AMOUNT STATE TAX STATE
medicine 20 350
grossery 27 270 7000 336 HP

7290 349.92 UK

food item 49 120 5880 282.24 UK
cosmectic 74 75 5550 266.4 MP
toys 24 150 3600 172.8 UK

books 87 75 6525 313.2 HP
stationary 34 80 2720 130.56 HP

sports gear 76 85 6460 310.08 UK
garments 47 270 12690 609.12 UK

TO DELETE A ROW
CLICK ON THE ROW TO BE DELETED
CLICK AT TABLE
CLICK AT DELETE
CLICK AT ENTIRE ROW

TO DELETE A COLUMN
CLICK ON THE COLUMN TO BE DELETED
CLICK AT TABLE
CLICK AT DELETE
CLICK AT ENTIRE COLUMN

ITEM NAME QUANTITY PRICE AMOUNT STATE TAX STATE
medicine 20 350 7000 336 HP
grossery 27 270 7290 UK
food item 49 120 5880 349.92 UK
cosmectic 74 75 5550 282.24 MP
toys 24 150 3600 UK
books 87 75 6525 266.4 HP
stationary 34 80 2720 172.8 HP
sports gear 76 85 6460 313.2 UK
garments 47 270 130.56 UK
12690 310.08
609.12

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FORMATING DOCUMENT
SELECTING WORD OR TEXT
Click at starting of word, press sift and use arrows keys to select

TO PRINT BOLD SELECT THE WORD, CLICK AT “B”
TO PRINT UNDERLINED SELECT THE WORD CLICK AT “U”
TO PRINT ITALIC SELECT THE WORD CLICK AT “I”

TO INCREASE OR DECREASE SIZE
SELECT THE TEXT, CLICK AT FONT SIZE BOX, CHOOSE A SIZE, CLICK
AT OK
TO CHANGE WRITING STYLE OR FONT
SELECT THE TEXT, CLICK AT FONT BOX, CHOOSE A STYLE
( WE CAN SET THE WRITING STYLE TO BE OF ANY LANGUAGE LIKE
HINDI OR ANY REGIONAL ONE FROM THIS BOX )

TO CHANGE COLOR OF FONT
SELECT THE TEXT, CLICK AT FONT COLOR ICON, CHOOSE A COLOR

TO HIGH LIGHT A TEXT USING MARKER TOOL
CLICK AT MARKER TOOL, MARK THE TEXT

Type the following text in a new file
The Internet is a global systm of interconnected computer networks that use the
standardized Internet Protocl Suite (TCP/IP). It is a network of networks that
consists of millions of private and publc, academic, business, and government
networks of local to global scope that are linked by copper wires, fiber-
opticcables, wireless connections, and othr technologies.

Format the text as below

The Internet is a global systm of interconnected computer networks that use

Protoclthe standardized Internet Suite (TCP/IP). It is a network of

networks that consists of millions of private and publc, academic, business, and

government networks of local to global scope that are linked

by copper wires, fiber-opticcables

14

SPELLING AND GRAMMER CHECK
The words which are marked as red are spelled wrong or with green are
grammatically wrong
RIGHT CLICK ON THE WORD , CHOOSE FROM CORRECT SUGESSTION
GIVEN IN THE LIST

Use spell check and correct the misspelled words

The Internet is a global system of interconnected computer networks that use

Protocolthe standardized Internet Suite (TCP/IP). It is a network of

networks that consists of millions of private and public, academic, business, and

government networks of local to global scope that are linked

by copper wires, optic cables

PARAGRAPH MARGINS
CLICK ON FORMAT , PARAGRAPH MARGIN, CHOOSE INDENT AND
SPACING, SET THE LEFT , RIGHT SPACING, CLICK AT LINE SPACING
BOX, CHOOSE A SPACING, CLICK AT OK

Type the following poem by setting different margin to each paragraph

If you can keep your head when all about you
Are losing theirs and blaming it on you;
If you can trust yourself when all men doubt you,
But make allowance for their doubting too:
If you can wait and not be tired by waiting,
Or, being lied about, don't deal in lies,
Or being hated don't give way to hating,
And yet don't look too good, nor talk too wise;

If you can dream and not make dreams your master;
If you can think and not make thoughts your aim,
If you can meet with Triumph and Disaster
And treat those two impostors just the same:
If you can bear to hear the truth you've spoken
Twisted by knaves to make a trap for fools,
Or watch the things you gave your life to, broken,
And stoop and build'em up with worn-out tools

15

BULLETS AND NUMBERING
CLICK AT FORMAT.
CLICK AT BULLETS AND NUMBERING
CLICK AT BULLETED
CHOOSE A STYLE
CLICK AT OK
SECOND LEVEL OF BULLETS
USE TAB TO MAKE SECOND LEVEL OF BULLETS
TO STOP BULLETS
PRESS ENTER 2 TIMES TO STOP BULLETS

Using bullets type the following points

PART S OF COMPUTER
 INPUT DEVICE
o KEYBOARD
o MOUSE
o DIGITAL PEN
o SCANNER

 PROCESSING DEVICE
o CENTERAL PROCESSING UNIT

 STORING DEVICE
o CD’S
o DVD’S
o FLOPPY
o PENDRIVE
o HARDISK
o RAM

 OUTPUT DEVICE
o MONITER
o PRINTER

INSERTING WORD ART

CLICK AT INSERT
CLICK AT PICTURE
CLICK AT WORD ART
CHOOSE A STYLE
CLICK AT OK
TYPE A TEXT
CLICK AT OK

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TO INSERT PICTURE
CLICK AT INSERT
CLICK AT PICTURE
CLICK AT CLIP ART
CLICK AT CLIP ORGANIZER
CLICK AT OFFICE COLLECTION
CLICK AT CATEGORY
CLICK ON THE RIGHT SIDE OF CLIP
CLICK AT COPY
RIGHT CLICK AT POSITION TO INSERT CLICP AT
CHOOSE PASTE

AUTO CORRECT OPTION

SELECT THE FORMAT
CLICK AT TOOLS
CLICK AT AUTO CORRECT OPTION
TYPE A SHORT CUT KEY COMBINATION
( SHOULD BE A MIX OF NUMBER AND ALPHABET)
CLICK AT ADD
CLICK AT OK

TO USE AUTO CORRECT
TYPE THE SHORT CUT KEY, PRESS SPACE BAR

Use the following format to run auto correct option
To

Sub : Quotation with reference to advertisement dated _______

Dear sir,

I am presenting my quotation with refrence to advertisement dated
_______ regarding tender of __________________

We are in this field for last 12 years and deal with all such type of works.

From

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CHANGING CASES
SELECT THE TEXT
CLICK AT FORMAT
CHANGE CASE
(choose the case as required)

SENTENCE CASE : first letter of sentence capital
TITLE CASE : 1st letter of each word capital
UPPER CASE : From small letters to capital
LOWER CASE : from capital to small
TOGGLE CASE : all capital to small and all small to capital
CLICK AT OK

COLUMN BREAK Word Processing - Word Processing
CLICK AT FORMAT software automatically corrects spelling and
CLICK AT COLUMN grammar mistakes. If the content of a
CHOOSE NO. OF COLUMNS document repeats you don’t have to type it
CLICK AT “APPLY TO BOX” each time. You can use the copy and paste
CHOOSE THIS POINT FORWARD features. You can printout documents and
CLICK AT OK make several copies. It is easier to read a
word-processed document than a
TO MOVE TO NEXT COLUMN handwritten one.
CLICK AT INSERT
CLICK AT BREAK 18
CLICK AT COLUMN BREAK
CLICK AT OK

DROP CAP EFFECT
SELECT THE TEXT
CLICK AT DROP CAP
CHOOSE A EFFECT
CLICK AT OK

A computer is an electronic device,
which executes software programs. It
consists of 2 parts-hardware and
software . The computer processes input
through input devices like mouse and
keyboard. The computer displays output
through output devices like color monitor
and printer. The size of a computer varies
considerably from very small to very big.
The speed of computers also has a very
large range. Computers have become
indispensable in today’s world. There are
several uses of computers: -

COPY AND PASTE
SELECT THE TEXT
CLICK AT EDIT
CLICK AT COPY
CLICK AT NEW POSITION
CLICK AT EDIT
CLICK AT PASTE

CUT AND PASTE
SELECT THE TEXT
CLICK AT EDIT
CLICK AT CUT
CLICK AT NEW POSITION
CLICK AT EDIT
CLICK AT PASTE

FIND AND REPLACE
CLICK AT EDIT
CLICK AT REPLACE
TYPE THE WORD TO FIND
CLICK AT REPLACE WITH BOX
TYPE THE WORD TO REPLACE WITH
CLICK AT “MORE”
CHOOSE “FIND AS A WHOLE WORD”
CLICK AT REPLACE ALL

HEADER AND FOOTER
Header and footer are the words which gets printed on top and bottom of every
page of a document, once set

CLICK AT VIEW
CLICK AT HEADER AND FOOTER
TYPE A WORD AS HEADER
CLICK AT SWITCH SYMBOL
TYPE A WORD AS FOOTER
CLICK AT CLOSE

INSERT A PAGE BREAK
CLICK AT THE POSITION TO INSERT A PAGE BREAK
CLICK AT INSERT
CLICK AT PAGE BREAK
CLICK AT OK

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MICROSOFT EXCEL
CLICK AT START
CLICK AT PROGRAMS
CLICK AT MIXROSOFT EXCEL

EXCEL IS A SPREAD SHEET IN WHICH WE DO CALCULATIONS AND
GRAPHS.
THE SHEET IN EXCEL IS DIVIDED INTO 256 COLUMNS
AND 65536 ROWS

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CELL ADDRESS
THE COMBINATION OF COLUMN AND ROWS IS A CELL ADDRESS
EXAMPLE
A1, C5

USING FORMULA IN EXCEL
WE USE CELL ADDRESS IN CASE OF APPLYING FORMULA
LIKE TO ADD CONTENT OF B2 AND B3 WE USE FORMULA AS
EVERY FORMULA STARTS WIH EQUALITY SIGN “=”
= B2+B3
TO COPY A FORMULA
TAKE YOUR MOUSE TO THE RIGHT BOTTOM OF CELL WHEN IT
BECOMES “SMALL PLUS” DRAGE IT

21

Exercise1
Create the sheet and solve it.

ROLL

NO NAME ENGLISH HINDI SCIENCE COMPUTER TOTAL PERCENTAGE

1 raman 42 44 58 46

2 rajat 51 52 56 52

3 tushar 56 51 51 50

4 akshar 61 62 66 69

5 suman 71 73 76 71

6 suresh 81 84 81 82

7 tulika 72 76 73 74

8 pawan 61 62 66 68

9 rajesh 24 42 45 46

10 anjana 21 24 27 28

11 suhana 41 43 46 47

TOTAL = ENGLISH +HINDI+SCIENCE+COMPUTER

PERCENTAGE = TOTAL X 100

500

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Exercise 2

MAXIMUM FORMULA =MAX(first address.. last address)

MINIMUM FORMULA = MIN( first address .. last address)

COUNT ON CONDITION
= COUNTIF(range to be counted, “ condition on which to count”)

runs(non no. of Total

Player boundry) four No. of sixes runs

sachin 45 3 1

sourabh 46 4 1

ms dhoni 56 5 2

yuvraj 39 5 3

s. raina 24 2 4

harbhajan 12 1 1

A.kumble 10 0 0

Irfaan 14 0 0

zaheer 20 0 1

r.p singh 12 1 0

shewag 10 0 0

MAXMIMUM RUNS SCORED
MINIMUM RUNS SCORED
NO. OF CENTURIES SCORED
NO. OF SIXES SCORED

TOTAL RUNS : RUNS + NO OF FOURS X 4 + NO OF SIXES X 6

Exercise 3
LOGICAL FORMULA

IF(“CONDITION”, “THEN”, “OTHERWISE”)

EMPLOYEE EMPLOYEE MONTHLY YEARLY TAX
CODE RAJAN SALARY SALARY
R01 ROHITA
C01 TUSHAR 14000 168000
476 AKSHAT 7000 84000
79A RANI
751 KAMALA 21000 252000
819 SURAJ 19000 228000
214 SUYASH
715 SUMAN 5000 60000
819 ROHITA 8000 96000
745 12000 144000
17000 204000
2400 28800
19000 228000

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971 SURESH 21000 252000
841 NAMAN 20000 240000
641 GIRISH 18000 216000

Ist 2nd 3rd 4th
SEMISTER
STUDENT SEMISTER SEMISTER SEMISTER FINAL GRADE
RAJAN 350
RAHUL 270 410 399 420
TUSHAR 350
RAJESH 421 300 320 375
RAJAT
RAMAN 7 360 370 390
AKSHAT 320
RAJANI 100 445 470 450
RAGHU 340
RAMESH 340 8 9 470
SEETA 270
777 390 370 340 380
RAVI
60 60 5

380 380 370

341 370 365

245 280 290

340 360 340

19000 228000

Yearly salary Tax
More then 250000 30% of Yearly salary
Between 150000 20% of yearly salary
Below 150000 10% of yearly salary

Exercise 4

Final = 1st semester+ 2nd semester+ 3rd semester+ 4th semester

Final Grade
More then 900 A
Between 500 to 900 B
Between 200 to 500 C
Less then 200 D

GRAPHS
SELECT THE 1ST DATA RANGE
PRESS “ctrl” KEY
SELECT 2ND DATA RANGE

CLICK AT INSERT

CLICK AT CHART

CHOOSE TYPE OF CHART

CLICK AT NEXT

CLICK AT SERIES

CLICK AT SERIES NAME ,

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TYPE THE NAME OF SERIES AT “NAME BOX”

CLICK AT NEXT

CLICK AT TITLECLICK AT TILE BOX
“TYPE A HEADING”
CLICK AT CATEGORY “X” BOX
TYPE “X AXIS NAME”

CLICK AT VALUE Y BOX

TYPE Y AXIS NAME

CLICK AT NEXT

CLICK AT AS A NEW SHEET

CLICK AT FINISH

Draw the graphs on given sheet

YEAR MALE SENIOR
FEMALE CHILDREN CITIZEN

1980 26462 25473 12457 11454

1985 27785 26747 13080 12027

1990 29174 28084 13734 12628

1995 30633 29488 14421 13259

2000 32165 30963 15142 13922

2005 33773 32511 15899 14619

1)COLUMN GRAPH BETWEEN YEAR AND CHILDREN

COUMN GRAPH OF YEAR AND CHILDREN

CHILDREN POPULATION 18000 CHILDREN
16000
14000
12000
10000

8000
6000
4000
2000

0

1980 1985 1990 1995 2000 2005
YEAR

2) BAR GRAPH BETWEEN YEAR , MALE AND FEMALE
BAR GRAPH BETWEEN YEAR MALE AND FEMALE

YEAR 2005 FENALE 25
2000 MALE
1995
1990
1985
1980

3) PIE GRAPH BETWEEN YEAR AND SENIOR CITIZENS

SENIOR CITIZEN

1980
1985
1990
1995
2000
2005

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POWER POINT
IT IS USED FOR CREATING PRESENTATIONS FOR A SLIDE SHOW

TO START POWER POINT
CLICK AT START
CLICK AT PROGRAMME
CLICK AT POWER POINT

TO CREATE A PRESENTATION
CLICK AT FILE NEW
CLICK AT BLANK PRESENTATION
CHOOSE TYPE OF SLIDE
CLICK AT FORMAT
CLICK AT SLIDE DESIGN
CHOOSE A DESIGN
* * CLICK AT TILE TYPE A HEADING
CLICK AT TEXT BOX
TYPE THE CONTENT OF SLIDE
CLICK ON TITLE
RIGHT CLICK ON THE FRAME
CHOOSE CUSTOM ANIMATIONS

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CHOOSE ADD EFFECT
CHOOSE ENTERANCE
EMPHASIS
EXIT
MOTION PATH

CHOOSE ANIMATION
CLICK ON TEXT BOX
RIGHT CLICK ON THE FRAME
CHOOSE CUSTOM ANIMATIONS
CHOOSE ADD EFFECT

CHOOSE ENTERANCE
EMPHASIS
EXIT
MOTION PATH

CHOOSE ANIMATION
CLICK AT INSERT
CLICK AT NEW SLIDE
(REPEAT FROM STEP * )

Create following slide show

USES OF COMPUTER

 A computer is an electronic device, which
executes software programs. It consists of 2
parts-hardware and software . The computer
processes input through input devices like
mouse and keyboard.

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WORD PROCESSOR

Word Processing software automatically corrects
spelling and grammar mistakes. If the content of a
document repeats you don’t have to type it each
time. You can use the copy and paste features. You
can printout documents and make several copies. It
is easier to read a word-processed document than a
handwritten one. You can add images to your
document.

Internet

 It is a network of almost all the computers in
the world. You can browse through much
more information than you could do in a
library. That is because computers can store
enormous amounts of information. You also
have very fast and convenient access to
information.

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Desktop publishing

 With desktop publishing, you can create
page layouts for entire books on your
personal computer.

Weather analysis

Supercomputers are used to analyze and
predict weather.

30

TO SET TIMINGS
CLICK AT SLIDE SHOW
CLICK AT REHEARSE TIMMINGS
SET THE TIMMINGS ON TIMER
(ON LAST SLIDE) CLICK AT YES
TO RUN SLIDE SHOW
CLICK AT SLIDE SHOW
CLICK AT VIEW SHOW

31

P.O.Box 126924, 41 A Street, Mankhool, Bur Dubai, Dubai, U.A.E
Tel: 04-398 3535 l Fax: 04-398 3343 l www.ambassadorschool.com

Publisher:
Ambassador School, P.O. Box 126924, Dubai
Tel. +971 (0)4 398 3535 Website: www.ambassadorschool.com
First Edition Published in United Arab Emirates in 2017
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