Technical Interview Questions and Answers :: TCS

81 / 158

What are storage memory, default value, scope and life of Automatic and Register storage class?

View Answer | Discuss in Forum | To Reading List | Asked In TCS
Answer:

Storage memory:Automatic:RAM , register: RAM

Please Login First :

82 / 158

What is local, static and global variable? and their default values.

View Answer | Discuss in Forum | To Reading List | Asked In AricentTCS
Answer:

local variable we can use with in the function black. where as global variables we can use anywhere in the program




Please Login First :

83 / 158

What are the principle concepts of OOPS?

View Answer | Discuss in Forum | To Reading List | Asked In AccentureWiproTCS
Answer:

1. Abstraction
2. Encapsulation
3. Inheritance
4. Polymorphism
5. Classes and Object

Please Login First :

84 / 158

Can we implement all the concepts of OOPS using the keyword struct?

View Answer | Discuss in Forum | To Reading List | Asked In TCSVirtusaSyntel Inc.
Answer:

Yes, struct is similar to class, only all attributes/methods are public by default in the struct. You can very well have methods and attributes in a struct. You can also inherit from a struct (default inheritance is public).

Please Login First :

85 / 158

What are the differences between a structure and a union?

View Answer | Discuss in Forum | To Reading List | Asked In WiproTCSSyntel Inc.
Answer:

Structure- It is an user defined data function that allow to store multiple type of data in a single unit.





It occupies sum of memory of all location.





Whereas, Union- It is also an user defined data function that allow to store multiple type of data in a single unit.





But it occupies memory of largest member only. 

Please Login First :

86 / 158

What was your subject in 6th and 7th semester?

View Answer | Discuss in Forum | To Reading List | Asked In TCSAccenture
Answer:

No Discussion on this question yet!

Please Login First :

87 / 158

What is page fault?

View Answer | Discuss in Forum | To Reading List | Asked In TCS
Answer:

No Discussion on this question yet!

Please Login First :

88 / 158

Difference between Structure & Array.

View Answer | Discuss in Forum | To Reading List | Asked In TCS
Answer:

Structure is the user defined data type which contain different datatype in single unit.

Array contain the similar type of data in single unit of block.

Please Login First :

89 / 158

If you are not selected in TCS, How would you fell?

View Answer | Discuss in Forum | To Reading List | Asked In TCS
Answer:

No Discussion on this question yet!

Please Login First :

90 / 158

Write a JDBC program to retrieve student details?

View Answer | Discuss in Forum | To Reading List | Asked In TCS
Answer:

import java.sql.*;





public class stuinfo{





public static void main(String ar[]){





try[





class.forName("sun.jdbc.odbc.JdbcOdbcDriver");





Connection con=DriverManager.getConnection("Jdbc:Odbc:stu");





Statement st=con.createStatement();





ResultSet rs=st.excecuteQuery("select * from studin");





while(rs.next()){





String name=rs.getString(1);





String rollno=rs.getString(2);





int m1=rs.getInt(3);





int m2=rs.getInt(4);





int m3=rs.getInt(5);





String dept=rs.getString(6);





int year=rs.getInt(7);





System.out.ptintln("Name:" name);





System.out.ptintln("Roll No.:" rollno);





System.out.ptintln("Marks1 :" m1);





System.out.ptintln("Marks2 :" m2);





System.out.ptintln("Marks3 :" m3);





System.out.ptintln("Department :" dept);





System.out.ptintln("Year :" year);





}





}catch(Exception e){System.out.println ("Exception" e);}





}





}

Please Login First :
• Prev
• 1
• ..
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• ..
• 16
• Next

TCS off campus experience, TCS off campus interview, TCS tr interview questions, why TCS interview question, TCS values explanation, TCS off campus interview experience