List of top Computer Science Questions

What is a database? What are the advantages? Briefly explain Relational Data Model.
Define the following: (i) Public (ii) Protected (iii) Private
What is loop? Briefly describe the difference in working of while and for loop.
List the commands in DDL and DML. Define each.
Briefly explain the use of the following elements: (i) Break (ii) Continue
What is meant by scope of a variable? Briefly explain Local and Global scope.
Briefly explain the concept of Sets in Python.
What is a key?
What is DB Storage layer?
Show the use of SQL functions: COUNT() and AVG().
What is a data structure?
Write down the syntax for defining a function in Python.
What is meant by compiler, class and security?
Define user defined function.
Identity Law is
Duplicate keys are NOT ALLOWED in Dictionaries.
Which of these is a proper method for email security?
A function NEVER returns data.
What is the correct syntax for an if statement in Python?
Write any two advantages of parallel computing.
Describe about any two DML commands of SQL.
What is polymorphism? Write short notes about the types of polymorphism.
Explain about the operations performed on stack data structure.
Briefly explain about any two column constraints used in SQL.
Define the term data independence. What are the different levels of data independence?