2nd puc computer science question paper 2022 pdf

 2nd puc computer science question paper 2022 pdf

PU II Computer Science April/ May – 2022

PART – A

I.            Answer any ten questions, each question carries 1 mark. (10x1=10)

1)   Expand CMOS.

2)   State Involution law.

3)   Give the Dual form of 1+0=1.

4)   Write the standard symbol for NOT gate.

5)   Give an example for non-linear data structure.

6)   Define the term Data Abstraction.

7)   Which operator is used to access the member function outside the class?

8)   Which access specifier is implicitly used in a class?

9)   What is a constructor?

10)  Give the use of ‘new’ operator in pointers.

11)  Define information.

12)  What is data mining?

13)  Define network topology.

14)  What is Telnet?

15)  What is XML?

PART – B

 

II.          Answer any five questions. Each question carries 2 marks. (5x2=10)

16)  Mention the two types of UPS.

17)  Prove algebraically x(x+y)=x.

18)  Write standard symbol and truth table for XOR gate.

19)  Give any advantages of inline function.

20)  Write two disadvantages of default constructor.

21)  What is a pointer? Give the syntax for pointer declaration.

22)  What is a data file? Explain any one type of data file.

23)  Define primary key and foreign key.

24)  Mention any two web browsers.

25)  What is web scripting? Mention any one type of web scripting.

PART – C

III.        Answer any five questions. Each question carries 3 marks. (5x3=15)

26)  Explain the characteristics of motherboard.

27)  Realize AND, OR, NOT gates using NAND gate.

28)  Explain the types if linked lists.

29)  What is inheritance? Define base class and derived class.

30)  Differentiate static memory allocation and dynamic memory allocation.

31)  What is the use of following functions?

a)    get()

b)   getline()

c)    read()

32)  Discuss ORDER BY clause of SQL with syntax and example.

33)  Write computer virus prevention methods.

34)  Explain the types of e-commerce.

35)  Briefly explain any three HTML tags.

PART – D

IV.         Answer any seven questions. Each question carries 5 marks. (7x5=35)

36)  Simplify F(A,B,C,D)=∑0,1,4,5,7,8,9,12,13,15) using K-map.

37)  Write an algorithm for insertion sort method.

38)  Explain any five stack operations.

39)  Write an algorithm for deleting an element from a QUEUE data structure.

40)  Give the advantages of Object-Oriented Programming.

41)  Explain member functions defined inside the class with programming example.

42)  What is friend function? Explain the characteristics of friend function.

43)  Define constructor. Give syntax and example for destructor.

44)  Describe the different types of inheritance.

45)  Briefly explain the steps involved in data processing cycle.

46)  Discuss the features of database system.

47)  Explain any five logical operators available in SQL.

48)  Mention any two DDL commands. Explain with syntax and example.

49)  What is computer network? Explain goals of computer network.