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

                                                  Three, ALU, Hardware, CPU Box

                          a.  The ___________ performs all the arithmetic operations in the CPU.
                          b.  A computer works in ___________ simple steps.

                          c.  A physical component of a computer system is known as ___________.
                          d.  A hard disk is fixed inside the ___________.

                      3.  Answer in one or two words.
                          a.  Which device is commonly used for playing games?                             ____________

                          b.  Which device is known as the brain of a computer?                            ____________
                          c.  What acts as a manager between the computer and the user?                    ____________

                          d.  Which software is used for creating presentations?                           ____________

                      4.  Differentiate between the following:

                          System Software                                         Application Software
                          ____________________________                            ____________________________

                          ____________________________                            ____________________________

                      5.  Think and answer.

                          a.  What are Input devices?

                             _______________________________________________________________________

                          b.  Write any one feature of a computer.
                             _______________________________________________________________________

                          c.  What is an IPO cycle?

                             _______________________________________________________________________

                             _______________________________________________________________________

                          d.  What are Output devices? Write the names of any two output devices.

                             _______________________________________________________________________
                             _______________________________________________________________________

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                      6.  Application-based questions.                                                 Century   #Critical Thinking
                                                                                                        Skills
                          a.   Anaya wants to record her song on the computer. Which device should she use?

                          b.   Satvik wants to draw a car on the computer. Which software should he use?

                       16   Premium Edition-III

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