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    A.  Tick ( ) the correct option.
                        1.  Identify the correct description of raw data.

                                  a)  Collection of facts with clear meaning.

                                  b)  Collection of facts with no meaning.

                                  c)  Processed and ready for analysis.

                                  d)  Set of conclusions drawn from facts.

                        2.  Mark the characteristic of unstructured data.
                                  a)  Follows a fixed format                 b)  Includes text, images or audio

                                  c)  Easy to store and organise             d)  Does not require processing
                        3.  Which of the following refers to the places or platforms where data is generated?

                                  a)  Data analysis                          b)  Data sources

                                  c)  Data collection                        d)  Data interpretation

                        4.  Choose the term that describe the ways in which information is stored, organised and represented.

                                  a)  Data Storage                           b)  Data collection

                                  c)  Data Format                            d)  Data interpretation

                        5.  Select the data format of file which is easy to share between programs.

                                  a)  CSV                                    b)  JPG

                                  c)  PNG                                    d)  MP4

                     B.  Fill in the blanks using the given hints:
                        1.  Organising means                  the data to understand it better.               Hints
                        2.  Sensors collect                data.                                            Disorganised

                        3.                  files store data in a table format with commas separating          CSV
                            each item.                                                                       Real-time
                        4.  The format of data affects how easily it can be read,             and             Sorting
                            shared.                                                                          Analysed
                        5.                  data can be confusing and hard to understand.
                     C.  Write ‘T’ for true and ‘F’ for false.

                        1.  Visualisation means presenting the data in form of charts or graphs.

                        2.  Digital data is the raw data stored in a form that computers can read and process.

                                                                                     Data Visualisation and Analysis  63

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