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4.  Answer in one or two words.
                    a.  Name the generation of computers that used integrated circuits.                 ___________
                    b.   Tell the type of computer that is used to measure continuously changeable
                       physical quantities.                                                             ___________

                    c.  What is the main processing device of a computer called?                        ___________
                    d.  Name the non-impact printer that uses laser technology.                         ___________

                    e.  Which device projects data from a computer screen onto a large screen?          ___________

                 5.  Think and answer.
                    a.  Enlist some distinct features of Supercomputers.
                     ______________________________________________________________________________________

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                    b.  How are Microcomputers different from Mainframe computers?

                     ______________________________________________________________________________________
                     ______________________________________________________________________________________

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                    c.  What are Embedded computers? Give two examples.
                     ______________________________________________________________________________________

                     ______________________________________________________________________________________

                    d.   Explain how does a Gesture Recognition Camera operate.
                     ______________________________________________________________________________________
                     ______________________________________________________________________________________

                     ______________________________________________________________________________________

                 6.  Differentiate between the following:
                    Impact Printers                                   Non-Impact Printers
                    ___________________________________               ___________________________________

                    ___________________________________               ___________________________________

                                                                                                21 st   #Technology Literacy
                 7.  Competency-based/Application-based questions.                           Century
                                                                                               Skills  #Critical Thinking
                    a.   Rohit was watching a Sci-Fi movie and became curious about the devices he saw. In the
                      movie, the devices displayed rapidly changing digits and wave-like symbols on another
                      panel. He began wondering which type of computer would be most suitable for scientific
                      exploration—digital, analog, or hybrid. Help him resolve his dilemma.
                    b.   Manika  attended  a  workshop  where she  was  shown the  working  of  first  to  fourth-generation
                      computers. She was amazed at how a room-sized device can now fit in our bags. Which component
                      has primarily contributed to the reduction in size of this complex machine called a computer? How
                      is this component revolutionising technology?





                                                                                         Fundamentals of Computer  17
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