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CBSE Class 11 Pre Board 2021 : Informatics Practices - Annual Final (CBSE Gulf Sahodaya Qatar Chapter, Doha)

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Annual Examination, 2020-2021 Informatics Practices (Theory) Grade: 11 Date: 18.02. 2021 Time allowed: 3 hours Maximum Marks: 70 General Instructions: 1. This question paper contains two parts A and B. Each part is compulsory. 2. Both Part A and Part B have choices. 3. Part-A has 2 sections: a. Section I is short answer questions, to be answered in one word or one line. b. Section II has two case studies questions. Each case study has 4 case-based sub- parts. An examinee is to attempt any 4 out of the 5 subparts. 4. Part - B is Descriptive Paper. 5. Part- B has three sections a. Section-I is short answer questions of 2 marks each in which two questions have internal options. b. Section-II is long answer questions of 3 marks each in which two questions have internal options. c. Section-III is very long answer questions of 5 marks each in which one question has question has internal option. Part A Section I Attempt any 15 questions from questions 1 to 21 1 1 State whether the following statements are True or False: i) Operating System is an interface between the user and the computer and controls the hardware and software of the computer system. __________ ii) In FOSS source code is usually hidden from the users.____________ 2 1 Fill in the blanks: Which data type will be used to represent the following data values in Python? i) Volume of sphere ii) Mobile number Page 1 of 7

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