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2ND PUC COMPUTER SCIENCE 2018 QUESTION PAPER

PART – A

Answer all the questions.
Each question carries 1 mark. (10 X 1 = 10)

      1) What is microprocessor?

 

      2) What is a logic gate?

      3) Define sorting.

      4) What is an object?

      5) Name the pointer operator.

      6) What is a record?

      7) Expand HTTP.

      8) Write any one application of computer network.

      9) Mention any one web browser.

      10) What is the use of HTML?

PART - B

Answer any five questions.
Each carries 2 marks. (5 X 2 = 10)

      11) What is the minterm and maxterm?

      12) Prove X.(X+Y)=X.

      13) Mention any two applications of OOPs.

      14) Define: 
            a)      Constructors 
            b)      Destructors

      15) Write the difference between text file and binary file.

      16) What is Database Management System? Give an example of DBMS software.

      17) Give the syntax and example of UPDATE command in SQL.

      18) Define: 
            a) Client 
            b) Server.

PART – C

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

       19) What is cache memory? Explain their types.

       20) Realize AND, OR and NOT gates using NOR gate.

       21) Write an algorithm to delete an element from one dimensional array.

       22) Give the advantages of pointer.

       23) Discuss the file mode parameters in C++.

       24) Explain the advantages (features) of DBMS.

       25) Write the advantages of e-commerce

       26) Discuss any three text formatting tags in HTML.

PART – D

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

       27) Simplify the following Boolean function using K-map.

       F(A,B,C,D)=∑(1,2,3,5,7,8,9,11,13,15).

      28) Write an algorithm to search an element using Binary search technique.

      29) Give the applications of queues.

      30) Explain the characteristics of OOPs.

      31) What is the significance of using access specifiers? Explain any two access specifiers with example.

      32) Explain friend functions with syntax and programming example.

      33) What is copy constructor? Explain with syntax and programming example.

      34) What are the advantages of inheritance?

      35) Explain the differences between manual data processing and computerized (electronic) data processing.

      36) What is Data Definition Language? Give the functions of Data Definition Language.

      37) What is computer virus? Write the symptoms (characteristics) of computer virus.