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VIII. Assertion and Reasoning questions.
                      Direction: The following question  consist  of two  statements  – Assertion  (A) and
                      Reasoning (R). Answer these questions by selecting the appropriate option given below:

                      a. Both A and R are correct and R is the correct explanation of A.
                      b. Both A and R are correct but R is NOT the correct explanation of A.

                      c. A is correct but R is incorrect.
                      d. A is incorrect but R is correct.

                      1.  Assertion (A): First-generation computers used vacuum tubes for processing.
                        Reason (R): Vacuum tubes were energy-efficient and highly reliable components.
                      2. Assertion (A): The fifth generation of computers focuses on artificial intelligence.

                        Reason (R): AI-based computers use traditional vacuum tube technology for processing.



                                                                                     teCh Zone




                                                                                                   21 st
                   Let's soLve                                                                   Century   #Critical Thinking
                                                                                                  Skills
                       Identify the inventions taught in this chapter in the following word grid and circle them.
                     Hints are given for your help.


                           ENIAC, UNIVAC, Abacus, Pascaline, VLSI, Computer, Mark I, Card Feeder



                                       C     A     R     D     F     E     E     D      E     R

                                       P     D     E     N      I    A     C      E     R     V


                                       A     O     E     U     T     R     W     W     U      L

                                       S     O     N     J     T     O     R     Y     N      S


                                       C     V     D     K     C     X     Z     Z      I     I

                                       A     A     B     A     C     U     S     K      V     E


                                       L     N     I     A     K     L      I    O      A     R

                                       I     D     V     E     G     H      T     E    C      L


                                       N     M     A     R     K      I    A     R      D     I

                                       E     C     O     M     P     U      T     E     R    O





                                                                                            Evolution of Computers  17
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