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PRACTICE PAPER 1

                                                           CLASS XI
                                               INFORMATICS PRACTICES (065)

               Maximum Marks: 70                                                               Time Allowed: 3 hrs

                 General Instructions:
                   1.  This question paper contains 37 questions.
                   2.  All questions are compulsory. However, internal choices have been provided in some questions. Attempt
                     only one of the choices in such questions.
                   3.  The paper is divided into 5 Sections—A, B, C, D and E.
                   4.  Section A consists of 21 questions (1 to 21). Each question carries 1 Mark.
                   5.  Section B consists of 7 questions (22 to 28). Each question carries 2 Marks.
                   6.  Section C consists of 3 questions (29 to 31). Each question carries 3 Marks.
                   7.  Section D consists of 4 questions (32 to 35). Each question carries 4 Marks.
                   8.  Section E consists of 2 questions (36 to 37). Each question carries 5 Marks.
                   9.  All programming questions are to be answered using Python language only.
                  10.  In case of MCQ, text of the correct answer should also be written.


                                                  SECTION A (21 × 1 = 21 Marks)
                 1.  State True or False:
                      BIOS is a small program that controls various electronic devices attached to the main computer
                    system.                                                                                   (1)
                 2.  Which of the following is not correct about an Operating System?                         (1)
                      (a)  It manages hardware and software resources.
                      (b)  It provides a user interface for interaction.
                      (c)  It does not play any role in managing memory and processes.
                      (d)  It controls peripheral devices like printers and disk drives.
                 3.  Which of the following devices can recognize a pre-specified type of mark made with a dark pencil or
                    ink?                                                                                      (1)
                      (a)  Optical Character Reader (OCR)      (b)  Magnetic Ink Character Recognition (MICR)
                      (c)  Optical Mark Reader (OMR)           (d)  Barcode Reader
                 4.  What will be the output of the following Python code?                                    (1)
                         >>>print(10, 20, 30, sep=":")
                      (a)  102030                              (b)  10:20:30:

                      (c)  10 20 30                            (d)  10:20:30
                 5.  Which of the following shortcut key combinations is used to exit Python Shell?           (1)
                      (a)  Alt + F4                            (b)  Ctrl + Q
                      (c)  Both (a) and (b)                    (d)  None of these
                 6.  Which of the following is a valid identifier in Python?                                  (1)
                      (a)  1totalvalue                         (b)  total-value
                      (c)  _totalvalue                         (d)  class
                 7.  Which of the following is the correct way to define a list in Python?                    (1)
                      (a)  {90, 22, 35, 49}                    (b)  (90, 22, 35, 49)

                      (c)  [90, 22, 35, 49]                    (d)  {"90": 22, "35": 49}
                 8.  Which of the following is a mutable data type in Python?                                 (1)
                      (a)  tuple                               (b)  list
                      (c)  str                                 (d)  int



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