Exam time XII

 

SET 1

Group ' B '

Short answer questions (5x5 = 25)

a.       Differentiate the centralized and distributed database system. What is importance of database describe.

OR

Explain relational data model with example.

b.      Describe the function in C.Write a program to find the factorial of any given number using function.

OR

What is pointer? Write a C program to find a product of two number using pointer.

c.       What is transmission medium also explain its major types with advantages and disadvantages. Differentiate between peer to peer network architecture and client server network architecture with example.

d.      Write short notes on: class, inheritance, object in OOP with example

e.       What is array? Explain the different types of array. .

 

Group ' C '

Long answer questions (8x2 = 16)

a.       Write the SQL statement to perform the following task.

                                                        i.            Create a database named ‘employee’.

                                                      ii.            Create a table ‘employee’ with following fields.

employee_id--------------integer

employee_name---------varchar(100)

employee_address-------varchar(100)

employee_salary----------float

                                                    iii.            Insert any 6 records using ‘insert’ and ‘values’ command.

                                                    iv.            Display all the records of all fields.

                                                      v.            Display all the records of fields employee_id and employee_name.

                                                    vi.            Display records of employees whose name starts with letter ‘a’.

                                                  vii.            Display records of employees whose name ends at letter ‘y’.

                                                viii.            Display all the records of employees whose salary is 20000.

b.      Create a sequential data file “student.txt” to input roll , name and age of 10 students and store them properly.

OR

A sequential data file “student.txt” consist of  roll , name and age of few students and write a program to add few records until users choice.

  

SET 2

Group ' B '

Short answer questions (5x5 = 25)

a.       Differentiate DDL and DML Give example each.

OR

 What are the purposes of normalization? Explain 1NF, 2NF and 3NF with example

b.      List advantages of function in C program. Write a program to check whether the  given number is positive or negative using function.

OR

Write advantages of pointer? Write a C program to find a greatest among two numbers using pointer.

c.       How does star topology differ from bus topology in terms of architectural layout and data transmission methodology in modern computing environment?

d.      How is even driven program(or OOP) differ from procedural oriented program. Explain

e.       What is looping? Differentiate between while and do while loop with example.

Group ' C '

Long answer questions (8x2 = 16)

a.       Write the SQL statement to perform the following task.

                             i.            Create a database named ‘staff.

                           ii.            Create a table ‘staff with following fields.

staff_id--------------integer

staff _name---------varchar(100)

staff _department-------varchar(100)

staff _bonus----------float

                         iii.            Insert any 5 records using ‘insert’ and ‘values’ command.

                         iv.            Display all the records of all fields.

                           v.            Display all the records of fields staff _id and staff _department.

                         vi.            Display records of staff whose name starts with letter ‘S’.

                       vii.            Display records of staff whose department ends at letter ‘y’.

                     viii.            Display all the records of staff whose bonus is 2000.

b.      A sequential data file “student.txt” consist of  roll , name and age of  students write a program to display all the records.

OR

A sequential data file “student.txt” consist of  roll , name and age of  students write a program to display those records whose age is more than 12.

  

SET 3

Group ' B '

Short answer questions (5x5 = 25)

a.       Evaluate advantage of DBMS compared to traditional file based data storage system.

OR

. Write SQL DDL command to execute the following task with reference to the schema given below

Student_info(regno as integer, name as character(25), class integer, gender character(1), address character(25) )

b.      What are the importance of  function in C program. Write a program to check whether the  given number is odd or even using function.

OR

What is string function? Write a C program to concatenate two string.

c.       What is network topology? Differentiate between guided and unguided media with example.

d.      Explain the concept of Encapsulation. How does it help in achieving data hiding in OOP.

e.       Differentiate between structure and union  example.

 

Group ' C '

Long answer questions (8x2 = 16)

a.      Write the SQL statement to perform the following task.

        i.            Create a database named ‘staff.

      ii.            Create a table ‘staff with following fields.

staff_id--------------integer

staff _name---------varchar(100)

staff _department-------varchar(100)

staff _bonus----------float

    iii.            Insert any 5 records using ‘insert’ and ‘values’ command.

    iv.            Display all the records of all fields.

      v.            e Display all the records of staff whose salary is 30000 and who are from address “Kathmandu”.

    vi.            j.        Update the staff name with any other name who has id 4.

  vii.            k.      Delete the record of staff whose id is 5.

viii.            l.        Display the records of staff in sorted order using field ‘staff _name’. Use ‘order by field name asc/desc’.

b.      A datafile “student.txt” contain name, class and marks obtained in 3 different subject of few students. Write a C program to read and display only records of all students who secure distinction.

OR

A sequential data file “student.txt” consist of  roll , name and age of  students write a program to display those records whose name is Sita.

 

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