XI STD COMPUTER SCIENCE MODEL QUESTION PAPER – 2022
CLASS 11 MARKS : 70
SUBJECT : COMPUTER SCIENCE TIME : 3 HRS
- CHOOSE THE CORRECT ANSWER: 15X1=15
1. Second generation computer used
(a) Integrated Circuits (b) Microprocessor (c) Transistor (d) Robotics For (110101)
2 find the octal equivalent
(a) 75 (b) 65 (c) 64 (d) 74
3. Which one of the following is a CISC processor?
(a) Intel P6 (b) AMD K6 (c) Pentium III (d) Pentium IV
4. Which of the following Operating systems support Mobile Devices?
(a) Windows 7 (b) Linux (c) BOSS (d) iOS
5. Stating the input property and the input-output relation a problem is known as (a) Specification (b) Statement (c) Algorithm (d) Definition
6. Which of the following is not an invariant of the assignment? mn:=m+2,n+3
(a) m mod 2 (b) n mod 3 (c) 3X m -2Xn (d) 2Xm-3Xn
7. Who coined C++?
(a) Rick Mascitti (b) Rick Bjarne (c) Bill Gates (d) Dennis Rictchie
8. Which operator is used to access reference of a variable?
(a) $ (b) # (c) & (d)!
9. Which of the following is the entry control loop?
(a) do-while (b) for (c) if..else (d) switch
10. Which one of the following function is used to find the given value is number?
(a) isupper() (b) isnumo) (c) isdigit() (d) isalphal)
11. int all={2,6,7,8,9,12}; find the index value of a-8.
(a) 2 (b) 4 (c) 5 (d) 3
12. Which of the following supports the transitive nature of data?
(a) Inheritance (b) Encapsulation (c) Polymorphism (d) Abstraction
13. The member function defined within the class behave like functions.
(a) inline (b) Non inline (c) Outline (d) Global
14. A class is derived from a class which is a derived class itself then this is referred to as
(a) multiple inheritance (b) multilevel inheritance (c) single inheritance (d) double inheritance
15. Which of the following deals with procedures, practices and values?
(a) piracy (b) programs (c) virus (d) computer ethics
II. ANSWER ANY 5 QUESTIONS Q.NO 24 COMPULSORY: 6×2=12
16. Convert (48)10 into Binary number.
17. What is instruction?
18. What is the multi-user Operating System?
19. What is invariant?
20. What is String?
21. Write the disadvantages of OOP.
22. What are called members?
23. What is inheritance?
24. Write a short note on Tamil Virtual Academy,
III. ANSWER ANY 5 QUESTIONS Q.NO 33 COMPULSORY: 6X3=18
25. Write the applications of computer.
26. Add (a) -22 10+1810 (6) 2010+2510
27. Differentiate copy and move.
28. What is abstraction?
29. Write the syntax and purpose of switch statement.
30. Write note an Array of strings?
31. Define information hiding.
32. What are the rules for function overloading?
33. What is default arguments? Give example.
IV. ANSWER THE FOLLOWING (ANY 3): 5X5-25
34. (a) Find I’s complement and 2’s complement for the following
Decimal numbers (1) -78 (2) -147
(or)
(b) Explain the types of ROM.
35. (a) Explain the different ways to finding a file or folder.
(or)
(b) Exchange the contents: Given two glasses marked A and
B. Glass A is full of apple drink and glass B is full of grape drink. For exchanging the contents of glasses A and B,
represent the state by suitable variables, and write the specification of the algorithm.
36. (a) Explain about for loop with suitable example.
(or)
(b) Explain scope of variable with example.
37. (a) What are the rules for operator overloading?
(or)
(b) Explain the Call by value method with suitable example.
38. (a) Explain the different types of inheritance.
(or)
(b) What is piracy? Mention the types of piracy? How can it be prevented?
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