Inspirisys Solution Interview Questions and Answers

Recursion is a programming technique where a function calls itself in order to solve a problem.

• Recursion involves breaking down a problem into smaller subproblems and solving them recursively.

• Each recursive call works on a smaller input until a base case is reached.

• Example: Factorial calculation, Fibonacci sequence, tree traversal.

OOPs concept features include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability to create a new class from an existing class, inheriting its attributes and methods.

• Polymorphism: Ability to use a single interface for different data types or objects.

• Abstraction: Hiding the complex implementation detai...read more

Code to display Fibonacci series of n numbers.

• Initialize an array to store Fibonacci numbers

• Use a loop to calculate Fibonacci numbers based on previous two numbers

• Display the Fibonacci series

Code to search a number in an array of strings

• Convert the array of strings to an array of integers before searching

• Use a loop to iterate through the array and compare each element with the target number

• Return the index of the number if found, otherwise return -1

SQL Union command is used to combine the result sets of two or more SELECT statements. SP stands for Stored Procedure and Joints is not a valid term in SQL.

• UNION command is used to combine the result sets of two or more SELECT statements into a single result set.

• SP or Stored Procedure is a precompiled collection of SQL statements that can be executed with a single call.

• Joints is not a valid term in SQL, it might be a t...read more

LAN is a local area network that connects devices within a limited area. A router is a networking device that forwards data packets between computer networks.

• LAN stands for Local Area Network and is used to connect devices within a limited area such as a home, office, or school.

• A router is a networking device that forwards data packets between computer networks. It connects multiple devices to the internet and allows t...read more

Subnet mask is a 32-bit number used to divide an IP address into network and host addresses. Outlook file types include PST, OST, MSG, and more.

• Subnet mask is used to determine the network portion of an IP address

• It is represented in decimal format, such as 255.255.255.0

• Outlook file types include PST (Personal Storage Table), OST (Offline Storage Table), MSG (Message), and more