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    PERIODIC ASSESSMENT 1                                          (Based on chapters 1 & 2)

                     A.  Rewrite the following incorrect statements.

                        1.  The total number of digits used in a number system is called its LSD.

                        2.  Hexadecimal number system consists of 16 digits from 0–15.

                        3.  Sorting data means to organise the data in ascending order only.

                     B.   Circle the odd one out.

                        1.  Decimal          Octal           Scientific           Binary

                        2.  Int              Bit             Nibble               Byte
                     C.  Match the following:

                        1.  (26)                        a.  (1111) 2
                              10
                        2.  (64)                        b.  (11000) 2
                              10

                        3.  (24)                        c.  (11010) 2
                              10
                        4.  (15)                        d.  (100000) 2
                              10
                        5.  (32)                        e.  (1000000) 2
                              10
                     D.  Define the following:
                        1.  Custom Sorting

                        2.  Filtering

                        3.  Octal Number System

                                                                                               Periodic Assessment 1   31

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