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To find the mid element in a linked list, use two pointers - one moving at double the speed of the other.
Initialize two pointers, slow and fast, both pointing to the head of the linked list.
Move the slow pointer by one step and the fast pointer by two steps until the fast pointer reaches the end of the list.
The element pointed to by the slow pointer at this point is the mid element of the linked list.
Virtual functions allow a function to be overridden in a derived class
Virtual functions are declared in a base class and can be overridden in derived classes
They are used in polymorphism to achieve runtime binding
Virtual functions are implemented using virtual keyword in C++
Example: virtual void display() = 0; // pure virtual function
Struct is a value type while object is a reference type in C#.
Structs are value types and stored on stack, while objects are reference types and stored on heap.
Structs are passed by value, while objects are passed by reference.
Structs do not support inheritance, while objects do.
Example: struct Point { int x, y; } vs class Point { int x, y; }
let, var, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
let: block-scoped, can be reassigned
var: function-scoped, can be reassigned
const: block-scoped, cannot be reassigned, but its properties can be modified
Polymorphism is the ability of a function or method to behave differently based on the object it is called with.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types.
Examples include method overloading and method overriding in object-oriented programming.
Compiler programming languages convert source code into machine code before execution, while interpreter programming languages execute code line by line.
Compiler programming languages: C, C++, Java
Interpreter programming languages: Python, Ruby, JavaScript
I applied via Campus Placement and was interviewed in Jun 2024. There was 1 interview round.
To find the mid element in a linked list, use two pointers - one moving at double the speed of the other.
Initialize two pointers, slow and fast, both pointing to the head of the linked list.
Move the slow pointer by one step and the fast pointer by two steps until the fast pointer reaches the end of the list.
The element pointed to by the slow pointer at this point is the mid element of the linked list.
I applied via Campus Placement
let, var, and const are all used to declare variables in JavaScript, but they have different scopes and mutability.
let: block-scoped, can be reassigned
var: function-scoped, can be reassigned
const: block-scoped, cannot be reassigned, but its properties can be modified
Struct is a value type while object is a reference type in C#.
Structs are value types and stored on stack, while objects are reference types and stored on heap.
Structs are passed by value, while objects are passed by reference.
Structs do not support inheritance, while objects do.
Example: struct Point { int x, y; } vs class Point { int x, y; }
Polymorphism is the ability of a function or method to behave differently based on the object it is called with.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types.
Examples include method overloading and method overriding in object-oriented programming.
Compiler programming languages convert source code into machine code before execution, while interpreter programming languages execute code line by line.
Compiler programming languages: C, C++, Java
Interpreter programming languages: Python, Ruby, JavaScript
I applied via Campus Placement and was interviewed in Jun 2024. There was 1 interview round.
Virtual functions allow a function to be overridden in a derived class
Virtual functions are declared in a base class and can be overridden in derived classes
They are used in polymorphism to achieve runtime binding
Virtual functions are implemented using virtual keyword in C++
Example: virtual void display() = 0; // pure virtual function
Friend function is a function that is not a member of a class but has access to its private and protected members.
Friend functions are declared inside a class with the keyword 'friend'.
They can access private and protected members of the class.
They are not member functions of the class but have the same access rights as member functions.
I applied via Campus Placement and was interviewed in Apr 2024. There was 1 interview round.
Top trending discussions
I applied via Campus Placement
Os,c,ds,aptitude(quants and logical)
posted on 30 Jul 2024
It was easy to crack.questions were quants and logical..amd some technical mcqs
Technical gd..questions were asked from cs fundamentals
Again a technical gd
I applied via Campus Placement and was interviewed in Aug 2022. There were 5 interview rounds.
Apti round took place in online mode but it is not proctored
This one is technical GD and shortlisted people will be divided into batches and will asked technical qns for which ppl has to answer
People who got shortlisted will be having another technical GD and the same process will be continued
Paging is a memory management technique used by the operating system to store and retrieve data from secondary storage.
Paging divides the memory into fixed-size pages and stores them in secondary storage.
When a process needs a page, the operating system retrieves it from secondary storage and loads it into memory.
Paging allows for efficient use of memory and helps prevent fragmentation.
Examples of operating systems tha...
Various searching methods include BFS, DFS, binary search, and linear search.
BFS (Breadth-First Search) explores all the vertices at the same level before moving to the next level.
DFS (Depth-First Search) explores as far as possible along each branch before backtracking.
Binary search is a divide and conquer algorithm that searches a sorted array by repeatedly dividing the search interval in half.
Linear search checks ea...
Quick sort works by selecting a pivot element and sorting the array by divide and conquer.
Select a pivot element from the array
Divide the array into two sub-arrays, one with elements smaller than the pivot and the other with elements greater than the pivot
Recursively apply the above steps to the sub-arrays
Combine the sorted sub-arrays to get the final sorted array
Max heap has the largest element at the root while Min heap has the smallest element at the root.
Max heap is a complete binary tree where the parent node is greater than or equal to its child nodes.
Min heap is a complete binary tree where the parent node is less than or equal to its child nodes.
Heaps are commonly used in sorting algorithms like Heap Sort and Priority Queues.
Insertion and deletion operations in heaps ta...
I applied via Campus Placement and was interviewed in Feb 2024. There were 4 interview rounds.
Percentage, logical reasoning
10 min and topics were chosen by ourselves
I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.
OOPS , DBMS , OS , and DSA concepts
I applied via Campus Placement and was interviewed in Apr 2023. There were 4 interview rounds.
Time and distance,speed,etc
IT IS SIMPLE NETWORKING CONCPT
A flip-flop is a digital circuit that can store a single bit of information.
It has two stable states, 0 and 1.
It is used in sequential logic circuits.
Examples include D flip-flop, JK flip-flop, and T flip-flop.
WLAN stands for Wireless Local Area Network and LAN stands for Local Area Network.
WLAN is a wireless network that allows devices to connect to the internet without the need for physical cables.
LAN is a wired network that connects devices within a limited area such as a building or campus.
WLAN uses radio waves to transmit data while LAN uses Ethernet cables.
Examples of WLAN include Wi-Fi networks while examples of LAN i...
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