MODEL EXAMINATION FEBRUARY-2012 HSE: II

COMPUTER SCIENCE

TIME

:2.00 hrs

COOL OF TIME :15MINUTES MAX.MARK :60

1) Which of the following is the remainder operator? (a) / ( b) \ ( c) % ( d) + 2) The statement I - = 4 is equivalent to (a) I = 4 (b) I = 4 (c) I = I –4 (d) none of the above

(1 mark)

(1 mark)

3) The act of partitioning a program into individual components is called—(1mark) 4) The dual of expression of 1.x = x is ----

(1 mark)

5) ---- is a chart listing all the logical condition and actions

(1 mark)

6) Define a structure student with the following data members (Name, roll_ no, mark, age)

(2 marks)

7) What is the use of friend function in c++

(2 marks)

8) What is the difference between a constraint and member function

(3marks)

9) Explain compile time polymorphism with example

(4 marks)

10) explain the public , private and portrait mode of inheritance with proper explain (4 marks) 11) What is memory leak? How can you it be avoided

(3marks)

12) Explain c++ memory map

(3marks)

13) What is a printer? Explain the use of .7 ’ *’ and ‘4’ operator with example. (4marks) 14) What is the difference between calling function by passing references and passing values (3marks) 15) Explain the working of arrow operator?

(3marks)

16) While a program is reverse this order. 07,10 given strings using printing and arrays (4marks)

17) The function on -----returning the partion of the get partion in a .file stream (1marks) 18) What is the difference between the file mode ios;;out –ad ios ;;application?(2marks) 19) What are the different functions available for file 1/0 error handling in c++(4marks) 20) Write a c++ statement to define a constant PI with value3.14?(1marks) 21) A member function with same name as the class without argument is ----(1marks) 22) Define a variable S which holds same memory for all objects of the class(1marks) 23) Consider the following declaration: T ob(3,4); Where T is the name of a class and ob is the object. Write the same statement in another way.(1marks) 24) consider the following c++ statements; char *c; int *p; cin.>>p; is invalid while cin>>c; is valid.why?

(3marks)

25) explain the different types of polymorphism. (3marks) 26) write a class program to swap 2 numbers without using temporary variables(5marks) 27) write a class program to find the total marks obtained by a student in 6 subjects. Assume that the maximum marks for a subject is 100. programe should contain the data members name, rollno,marks[6] and member functions to read, find the total and display.(5marks) 28) Create a table employee with fields: Empno integer primary key Name character Design character Salary number Write SQL queries to: i) Display the details of all managers. ii) Display the designation of employees. iii) Display the name of employee with maximum salary. iv) Display the names of employees in descending order of salary.(5marks) 29) Write a c++ program to create a file to store the name and phone number of a student(5marks)