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    b.  Which of the following best describes the function of an embedded computer?

                             (i)  Processes large data sets               (ii)  Performs specific tasks
                            (iii)  Acts as a central computer            (iv)  Stores information

                         c.  Which of the following is not a digital computer?

                             (i)  Digital watch                           (ii)  Digital thermometer
                            (iii)  Digital electricity meter             (iv)  None of these

                         d.  Which of the following units performs the comparison and logical operations?

                             (i)  ALU                                     (ii)  CU
                            (iii)  MU                                    (iv)  None of these

                         e.  Which of the following is an impact printer?

                             (i)  Laser printer                           (ii)  Inkjet printer
                            (iii)  Dot Matrix printer                    (iv)  Both (i) and  (ii)

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

                                  Control Unit, Smartwatch, Optical Character Reader, Computer, Plotter

                         a.  ______________ is used for printing vector graphics.

                         b.  ______________ works in three steps: input, process and output.

                         c.  ______________ controls all the functions of a computer.
                         d.  ______________ is used to carry out a mechanical or electronic translation of the handwritten text.

                         e.  ______________ is a computing device which you can wear on your wrist.

                      3.  Write 'T' for true and 'F' for false.
                         a.  Mini Computers are small general-purpose computers.

                         b.  Smartphone is a type of mobile phone that provides the facilities of a computer.

                         c.  Microwave is an example of an embedded computer.

                         d.  Supercomputers are the largest and fastest of all types of computers.

                         e.  Desktop is a portable computer.

                      4.  Think and answer.
                         a.  What is the main function of the Central Processing Unit (CPU) in a computer?
                          ___________________________________________________________________

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                         b.  What is the difference between impact and non-impact printers?

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