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    2.  Fill in the blanks using the words from the help box.

                                                         A, F, 0, 1, Base-10, Byte, 8

                         a.  A group of eight bits is called a __________.

                         b.  The base of the octal number system is __________.
                         c.  The binary number system uses the digits __________ and __________.

                         d.  The decimal number system is also known as the __________ system.
                         e.  The hexadecimal number system includes digits 0 to 9 and letters __________ to __________.

                      3.  Write 'T' for true and 'F' for false.
                         a.  The decimal number system has a base of 16.

                         b. The number 1010 in binary is equal to 10 in decimal.

                         c.  The digit 0 in binary represents the electronic state On.

                         d.  In binary subtraction, if 0 borrows 1, it becomes 10.

                         e.  LSD stands for Least Significant Digit.
                      4.  Answer in one or two words.

                         a.  Identify the smallest piece of data recognised by a computer.                  ____________

                         b.  Determine the number of bits in 1 nibble.                                      ____________
                         c.  Specify the digit represented by the letter 'A' in hexadecimal.                ____________

                         d.  Find the least significant digit in the number 724.                            ____________

                      5.  Think and answer.
                         a.  What is a number system?

                          _______________________________________________________________________________

                          _______________________________________________________________________________
                         b.  Compare the decimal and hexadecimal number systems.

                          _______________________________________________________________________________

                          _______________________________________________________________________________

                         c.  Write the steps to covert a binary number to a decimal number.

                          _______________________________________________________________________________
                          _______________________________________________________________________________

                         d.  What is the octal number system?

                          _______________________________________________________________________________

                          _______________________________________________________________________________

                       14   Premium Edition-VII

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