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                             Let’s surf
                                                                                               digital interaction.
                             Ø  Natural and Man-Made Things   Ø  Uses of a Computer
                             Ø  Machine                      Ø  Places where Computers are used
                             Ø  Computer— A Smart Machine

                          Let’s PLug-in                                              Creativity

                            Colour the picture.
                      Assessment Resources

                                                                            TesT Your skills
                                                               1.  Tick ( ) the correct option.
                              NATURAL AND MAN-MADE THINGS
                                                                  a.  Which of the following can we listen to on the computer?  Test Your Skills contains
                            We see  many  things around  us. Many  of these things  are  gifted by nature.     (i)  Rhymes     (ii)  Drawing
                            These are called natural things. Some natural things are flowers, trees, animals      b.  Which of these is a man-made thing?    (iii)  Sums
                            and birds.
                                                                 (i)  Book     (ii)  Sun     variety of exercises to
                                                                                (iii)  Monkey
                                                                  c.  Which of the these can be done with the help of a computer?
                                                                 (i)  Draw     (ii)  Bathe   reinforce the concepts.
                                                                                (iii)  Sleep
                                                                  d.  Which of these is created by the shopkeepers using a computer?
                                                                 (i)  Bills     (ii)  Paintings
                                                                  e.  Which of these is a natural thing?     (iii)  Marksheets
                             Flower  Tree   Animal  Bird         (i)  Cup     (ii)  Flower
                            Many things around us are made by man. These are called man-made things.   2.  Write  T  for true and  F  for false statements.    (iii)  Hairband
                            Some man-made things are bus, bag, bread and crayons.
                                                                a.  We can solve sums on a computer.

                                                                  b.   We can do only one thing on a computer.    Fun Zone contains sections

                                                                  c.   We can play games on a computer.

                                                                d.   We can only draw on a computer.    such as Let's Explore,

                                                                  e.   We can search new things on a computer.
                              Bus                          Bag            Bread  Crayons       Let's Get Better &
                             Let’s CatCh Up                    3.  Look at the machines and fill in the blanks to complete their names.
                            Look at the pictures. Write M for man-made and N for natural things in the
                            circle below each picture.                                             Let's Solve.
                                                               a.  F __ N  b.  C __ MP __ T E __
                                                                               c.  T __ A __ N
                                                                                   15
                                                                             Computer— A Smart Machine         Fun Zone
                                                                                                                  Critical Thinking
                           8                                                                      Let's soLve
                            When you look around, you may see many things. Some of these are made by man     Circle the picture that starts with the letter given on the left.
                             Touchpad PLUS (Version 2.1)-I
                            and some of these are natural. Let us learn about them.              1.       S
                                                                                                 2.       K
                             Let's Catch Up
                                                                     Tech Practice is a lab      3.      P        Experiential Learning
                             recalls a part of                                                     Let's expLore
                                                                  activity to develop practical   Collect pictures of parts of a computer from newspapers and magazines.
                             lesson quickly.                                                      Paste them in your notebook.   Communication
                                                                  skills. (Subject Enrichment) 7    Let's Get Better
                                                                         Computer—A Smart Machine
                                                                                                  How will you take care of the parts of the computer? Discuss in class.
                                                                                                                   Experiential Learning
                                                                                                  Go to the computer lab in your school. Count and write the number of:
                                                                                                  tech practice
                                                                                                               Mouse:
                                                                                                  Monitor:    Speakers:    CPU box:
                                                                                                   Keyboard:    Printer:
                                                                                                          For The Teacher
                                                           T est Sheet  1  (Based on chapters 1 to 4)    Show the various parts of a computer and explain their functions.
                                                                                                      Demonstrate the function of each part of the computer.
                             Four Periodic                  A.  Tick (ü) the correct option.                      Parts of a Computer  21
                                                               1.   Which of the following is a natural thing?    (iii)  Bat
                      Assessments for evaluation.             (i)  Bicycle     (ii)  Moon
                                                               2.  Which of the following is the brain of a computer?    (iii)  Mouse
                                                                     (ii)  Keyboard
                                                              (i)  CPU   , computers are used to teach.
                                                               3.  In a     (ii)  Hospital     (iii)  Airport
                                                              (i)  School
                                                             4.  Which key is used to delete the words to the left of the cursor?
                                                               (i)  Backspace     (ii)  Shift      (iii)  Enter
                                                             5.  Which area shows the lesson to practice typing?
                                                                             (iii)  Status area
                                                              (i)  Work area     (ii)  Lesson area
                                                            B.  Fill in the blanks.               https://www
                              Periodic Assessment 1                   number keys on the keyboard.
                                                               1.  There are    keys to type words and sentences.
                                                               2.  We use                                  PROJECT
                                 (Based on chapters 1 & 2)
                         A.   Rewrite the incorrect statements.     3.  Teachers use computer to   .  .
                                                             4.  When we play music, the sound comes out of the      A.
                                                                             mouse button.     https://www  In Excel, create a tabular data of 5 of your friend’s marks obtained in the previous
                           1.  The total number of digits used in a number system is called its LSD.
                                                               5.   You place your middle finger on the   exams and plot a graph for the average marks and the average percentage obtained
                            __________________________________________________________________________  for each of them. Here is an example dataset.   https://www
                                                            C.  Write  T  for true and  F  for false statements.
                          2.  Hexadecimal number system consists of 16 digits from 0–15.
                            3.  In BEDMAS rule, E stands for elimination.      1.  We can only draw with the help of a computer.   Subject Enrichment
                                                             2.  A scroll wheel is used to move left and right on the screen.
                           __________________________________________________________________________
                            __________________________________________________________________________     3.  The monitor is called the brain of the computer.    https://www
                                                                                                                       https://www
                            5.  Area chart is also known as XY plotter chart.     4.  RapidTyping makes typing very difficult.
                          4.  Chart Area is a key which shows the meanings of symbols and colours used in the chart.
                           __________________________________________________________________________
                                                             D.  Answer the following questions.
                                                                1.  Name any two places where computers are used.
                           __________________________________________________________________________

                         B.   State the use and one example of each.
                          1.  Column chart                    2.  Name any two types of mouse action.

                          2.  Pie chart    _____________________________________________________
                           3.  Area chart    _____________________________________________________  Test Sheet 1  41     B.   Make the following table in Excel.

                          4.  Bar chart    _____________________________________________________                   Subject Enrichment
                           5.  XY Scatter Plot chart    _____________________________________________________
                          C.   Circle the odd one out.  _____________________________________________________  Two Test Sheets
                         1.   Decimal
                           2.   A     Octal   Scientific
                           3.   Bar    C   F   Binary
                           4.  Int     Pie   Data   H
                               Bit      Column        have questions to
                        D.         Nibble
                                        Byte
                         Match the following columns.
                          Column A

                         1.   (26)10     Column B     assess students.
                           2.   (64)10     a.   (1111)2

                         3.   (5.625)10    b.   (101.101)2                                    https://www
                           4.  (15)10     c.   (11010)2                                           •  The formula for calculating average has been shown in the first cell.
                          5.  (4.125)10    d.  (100.001)2                  Project is an          •  Calculate averages for all the players using the formulas.  https://www
                                  e.
                                   (1000000)2                                                     •  Calculate grand total of runs scored by all the players.
                                                                      assessment to develop       •  Create a pie-chart of the average runs scored by the players similar to this.
                                       Periodic Assessment 1
                                            25
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                                                                                                 https://www
                                                                                                 Touchpad PLUS (Version 2.1)-VII
                                                                       practical proficiency.

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