Karnataka 2nd PUC Model Question Paper 2022 for Computer Science

Model question paper II PUC Subject: COMPUTER SCIENCE (41) Time: 3 Hrs 15 Mins Max Marks: 70 Total No. Of Questions: 49 PART – A I. Answer any TEN questions. Each question carries one mark. 1 x 10 = 10 1) What is a microprocessor? 2) Give the other name of Boolean Algebra. 3) Define truth valued variable. 4) What is a logic gate? 5) Give an example for primitive data structure. 6) Define object-oriented programming. 7) What is the use of scope resolution operator (::)? 8) What is the use of member function in a class? 9) Which symbol is used for a destructor function? 10) Give the syntax for a pointer declaration. 11) Define a tuple in database. 12) What is a primary key? 13) Define simplex communication mode. 14) What is free software? 15) What is the use of HTML? PART - B II. Answer any FIVE questions. Each question carries two marks. 2 x 5 = 10 16) Expand the terms SDRAM and DDRAM. 17) Prove that X + XY = X. 18) Give the logic symbol and working of AND gate. 19) What is the need for function overloading? 20) Give any two advantages of parameterised constructor. 21) Give any two differences between static and dynamic memory allocation. 22) Differentiate between text file and binary file. 23) Define data and information. 24) What is web browser? Give an example. 25) Give the general structure of HTML program.

PART - C III. Answer any FIVE questions. Each question carries THREE marks. 3 x 5 = 15 26) What is cache memory? Explain its types. 27) Write truth table and standard symbol for NOR gate. 28) What is an array? Mention any two types of arrays. 29) Give any three advantages of inheritance. 30) Explain different operations performed on pointer. 31) Mention and explain any three modes of opening a file in C++. 32) Explain any three data types used in SQL. 33) What is LAN? Explain. 34) Mention any three services or technologies of e-commerce. 35) What is web hosting? Mention any two web hosting methods. IV. Answer any SEVEN questions. Each question carries FIVE marks. 5 x 7 = 35 36) Reduce F(A,B,C,D)=∑(0,2,4,6,8,9,10,11,12,14) Using K – map. 37) Briefly explain different operations performed on linear data structure. 38) What is stack data structure? Write algorithms for PUSH and POP operations. 39) Explain memory representation of two-dimensional array using row-major ordering. 40) Write any five applications of object-oriented programming. 41) Explain class definition with syntax and example. 42) Briefly explain characteristics of friend function. 43) Write the rules for constructor function. 44) What is inheritance? Explain hierarchical and hybrid inheritance. 45) Differentiate between manual and electronic data processing. 46) Mention any five advantages of DBMS. 47) Explain any five arithmetic operators used in SQL. 48) Mention DML commands in SQL. Explain any two commands. 49) Explain any five network devices. *****